{"product_id":"vwr-wb20-20-liter-digital-laboratory-water-bath","title":"VWR WB20 20 Liter Digital Laboratory Water Bath","description":"\u003ch2\u003eVWR WB20 20 Liter Digital Laboratory Water Bath\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eVWR WB20 Digital Water Bath\u003c\/strong\u003e is a 20-liter general-purpose laboratory water bath designed for reliable heating, incubation, sample warming, reagent preparation, and temperature-controlled laboratory procedures. With a broad temperature range from approximately \u003cstrong\u003eambient +5°C to 100°C\u003c\/strong\u003e, digital microprocessor control, excellent temperature stability of approximately \u003cstrong\u003e±0.1°C\u003c\/strong\u003e, and temperature uniformity of approximately \u003cstrong\u003e±0.2°C at 37°C\u003c\/strong\u003e, the WB20 provides dependable performance for routine research, clinical, pharmaceutical, biotechnology, academic, and industrial laboratory applications.\u003c\/p\u003e\n\u003cp\u003eIts large \u003cstrong\u003e20-liter stainless-steel reservoir\u003c\/strong\u003e offers enough capacity for multiple racks, bottles, tubes, flasks, and other vessels while maintaining a relatively compact benchtop footprint. The digital controller allows users to select and monitor the desired temperature without relying on an analog dial, making the WB20 a practical choice for laboratories that need repeatable operating conditions across routine protocols.\u003c\/p\u003e\n\u003cp\u003eA temperature range extending to \u003cstrong\u003e100°C\u003c\/strong\u003e provides considerably more flexibility than lower-temperature incubation baths. The WB20 can support common physiological-temperature applications around 37°C as well as higher-temperature procedures involving reagent warming, sample preparation, thawing, digestion, and other laboratory processes.\u003c\/p\u003e\n\u003cp\u003eAvailable \u003cstrong\u003eused and refurbished from American Instrument Exchange\u003c\/strong\u003e, the VWR WB20 is inspected, cleaned, and tested for proper operation before shipment, offering laboratories an economical alternative to purchasing a comparable new digital water bath.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e20-liter laboratory water bath\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDigital microprocessor temperature control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDigital temperature display\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTemperature range of approximately \u003cstrong\u003eambient +5°C to 100°C\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTemperature stability approximately \u003cstrong\u003e±0.1°C\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTemperature uniformity approximately \u003cstrong\u003e±0.2°C at 37°C\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarge stainless-steel bath chamber\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eApproximate \u003cstrong\u003e5.3-gallon capacity\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSpacious working area for multiple laboratory vessels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e120V, 60 Hz electrical configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eApproximately 12 A electrical draw\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for general-purpose laboratory heating\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal for sample incubation and reagent warming\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAppropriate for microbiology and molecular biology workflows\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUseful for pharmaceutical and biotechnology laboratories\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with laboratory racks and appropriate bath accessories\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUsed and refurbished by American Instrument Exchange\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eLaboratory water baths provide an effective way to maintain samples at a controlled temperature without applying direct heat to the vessel.\u003c\/p\u003e\n\u003cp\u003eWater has excellent heat-transfer characteristics and surrounds the sample container evenly, helping reduce localized hot spots that can occur with hot plates or other direct-contact heating methods.\u003c\/p\u003e\n\u003cp\u003eThe VWR WB20 is designed as a \u003cstrong\u003egeneral-purpose digital water bath\u003c\/strong\u003e, making it useful for laboratories that need one versatile instrument for a wide variety of routine procedures.\u003c\/p\u003e\n\u003cp\u003eCommon uses include warming reagents, incubating samples, thawing materials, equilibrating buffers, maintaining media at working temperature, conducting biochemical reactions, and preparing samples for downstream analysis.\u003c\/p\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eVWR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eWB20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquipment Type\u003c\/td\u003e\n\u003ctd\u003eDigital General-Purpose Water Bath\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e20 L \/ 5.3 gal\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAmbient +5°C to 100°C\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Stability\u003c\/td\u003e\n\u003ctd\u003eApprox. \u003cstrong\u003e±0.1°C\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Uniformity\u003c\/td\u003e\n\u003ctd\u003eApprox. \u003cstrong\u003e±0.2°C at 37°C\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl\u003c\/td\u003e\n\u003ctd\u003eDigital microprocessor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eDigital\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChamber Material\u003c\/td\u003e\n\u003ctd\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBath Dimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. \u003cstrong\u003e9.5\"L x 17.5\"W x 5\"H\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMetric Bath Dimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. \u003cstrong\u003e24.1 x 44.5 x 15.2 cm\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e120V, 60 Hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003eApprox. \u003cstrong\u003e12 A\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eUsed \/ Refurbished\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupplier\u003c\/td\u003e\n\u003ctd\u003eAmerican Instrument Exchange\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cp\u003eThe VWR WB20 is well suited for \u003cstrong\u003esample incubation, reagent warming, buffer equilibration, media preparation, thawing frozen materials, enzyme reactions, biochemical assays, microbiology procedures, molecular biology workflows, pharmaceutical research, quality-control testing, clinical research, environmental testing, and general laboratory sample preparation\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIts 20-liter capacity also makes it useful when several samples or vessels need to be held at the same temperature simultaneously.\u003c\/p\u003e\n\u003ch3\u003eIdeal Laboratory Types\u003c\/h3\u003e\n\u003cp\u003eThe VWR WB20 is a practical choice for biotechnology companies, pharmaceutical laboratories, academic research facilities, hospital and clinical research laboratories, microbiology labs, molecular biology groups, chemistry laboratories, food-science laboratories, environmental testing facilities, quality-control departments, and industrial research laboratories.\u003c\/p\u003e\n\u003cp\u003eIt can also serve effectively as a shared general-purpose bath in multi-user laboratories.\u003c\/p\u003e\n\u003ch3\u003e20-Liter Capacity\u003c\/h3\u003e\n\u003cp\u003eThe WB20 provides a nominal capacity of:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e20 liters \/ approximately 5.3 gallons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis size offers a useful balance between working volume and benchtop footprint.\u003c\/p\u003e\n\u003cp\u003eCompared with smaller baths, a 20-liter chamber allows users to accommodate:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMultiple tube racks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBottles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlasks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSample containers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarger vessels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMultiple simultaneous experiments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis makes the WB20 especially useful in laboratories where several researchers share the same water bath.\u003c\/p\u003e\n\u003ch3\u003eLarge Working Area\u003c\/h3\u003e\n\u003cp\u003eThe internal bath dimensions are approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e9.5\"L x 17.5\"W x 5\"H\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eor approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e24.1 x 44.5 x 15.2 cm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe wide chamber provides substantial usable surface area for arranging samples.\u003c\/p\u003e\n\u003cp\u003eThis can be more convenient than a narrow, deep bath when the laboratory needs to access multiple vessels during a procedure.\u003c\/p\u003e\n\u003ch3\u003eAmbient +5°C to 100°C Temperature Range\u003c\/h3\u003e\n\u003cp\u003eThe VWR WB20 operates from approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5°C above ambient temperature to 100°C\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis broad operating range supports many common laboratory procedures.\u003c\/p\u003e\n\u003cp\u003eTypical examples include:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e37°C\u003c\/strong\u003e for biological incubation and reagent warming\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e42°C\u003c\/strong\u003e for selected molecular biology procedures\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e50–65°C\u003c\/strong\u003e for warming reagents or dissolving materials\u003c\/p\u003e\n\u003cp\u003eHigher temperatures for specialized sample-preparation procedures\u003c\/p\u003e\n\u003cp\u003eBecause the WB20 does not incorporate refrigeration, it cannot actively operate below ambient temperature.\u003c\/p\u003e\n\u003ch3\u003eTemperature Stability of ±0.1°C\u003c\/h3\u003e\n\u003cp\u003eVWR specifies temperature stability of approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e±0.1°C\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTemperature stability describes how closely the bath maintains its selected temperature over time after equilibrium has been reached.\u003c\/p\u003e\n\u003cp\u003eStable temperature control is particularly important for procedures involving:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eEnzymes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBiological specimens\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAssays\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReagents\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTemperature-sensitive chemical reactions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMaintaining consistent conditions can improve reproducibility between experiments.\u003c\/p\u003e\n\u003ch3\u003eTemperature Uniformity of ±0.2°C at 37°C\u003c\/h3\u003e\n\u003cp\u003eTemperature uniformity across the bath is approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e±0.2°C at 37°C\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUniformity describes the amount of temperature variation between different locations in the reservoir.\u003c\/p\u003e\n\u003cp\u003eIn a larger 20-liter water bath, good uniformity is important because several samples may be positioned at different points within the chamber.\u003c\/p\u003e\n\u003cp\u003eA well-performing bath helps ensure that a sample near one end of the reservoir experiences approximately the same conditions as a sample at the other end.\u003c\/p\u003e\n\u003ch3\u003eDigital Microprocessor Control\u003c\/h3\u003e\n\u003cp\u003eThe WB20 uses a \u003cstrong\u003edigital microprocessor controller\u003c\/strong\u003e rather than a simple analog thermostat.\u003c\/p\u003e\n\u003cp\u003eDigital control provides several advantages for laboratory users:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eEasier temperature selection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eClear setpoint display\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBetter repeatability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImproved monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMore precise regulation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis makes the WB20 particularly useful in laboratories where the same temperature conditions must be reproduced frequently.\u003c\/p\u003e\n\u003ch3\u003eStainless-Steel Reservoir\u003c\/h3\u003e\n\u003cp\u003eThe bath reservoir is constructed from stainless steel.\u003c\/p\u003e\n\u003cp\u003eStainless steel is widely used in laboratory water baths because it provides:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eGood durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCorrosion resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEase of cleaning\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResistance to repeated heating cycles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSmooth surfaces for routine maintenance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUsers should still follow appropriate water-quality and cleaning recommendations to reduce mineral scale, corrosion, and biological buildup.\u003c\/p\u003e\n\u003ch3\u003eApplications at 37°C\u003c\/h3\u003e\n\u003cp\u003eOne of the most common laboratory water-bath setpoints is \u003cstrong\u003e37°C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis temperature is widely used because it approximates normal human physiological temperature.\u003c\/p\u003e\n\u003cp\u003eThe WB20 can therefore support procedures involving:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eBiological samples\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnzyme reactions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReagent equilibration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMedia warming\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eClinical research\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBiotechnology sample preparation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIts approximately ±0.1°C stability and ±0.2°C uniformity at 37°C make it particularly well suited for routine controlled-temperature workflows at this setpoint.\u003c\/p\u003e\n\u003ch3\u003eMolecular Biology Applications\u003c\/h3\u003e\n\u003cp\u003eGeneral-purpose water baths remain common in molecular biology laboratories despite the increasing use of dry baths and thermal blocks.\u003c\/p\u003e\n\u003cp\u003eThe WB20 can support:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eBuffer warming\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReagent equilibration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSample thawing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnzymatic incubations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNucleic-acid workflows\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGeneral temperature-controlled reactions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor precise temperature cycling, dedicated PCR systems or thermal cyclers remain more appropriate.\u003c\/p\u003e\n\u003ch3\u003eMicrobiology Applications\u003c\/h3\u003e\n\u003cp\u003eMicrobiology laboratories may use the VWR WB20 for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMedia warming\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReagent preparation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSample incubation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eControlled thawing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTemperature equilibration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePreparation of culture materials\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIts larger chamber allows multiple bottles or racks to be processed simultaneously.\u003c\/p\u003e\n\u003ch3\u003eBiotechnology Applications\u003c\/h3\u003e\n\u003cp\u003eBiotechnology laboratories frequently need reliable general-purpose temperature control.\u003c\/p\u003e\n\u003cp\u003eThe WB20 can support workflows involving:\u003c\/p\u003e\n\u003cp\u003eProteins\u003cbr\u003eBuffers\u003cbr\u003eReagents\u003cbr\u003eCulture media\u003cbr\u003eEnzyme reactions\u003cbr\u003eSample thawing\u003cbr\u003eResearch assays\u003c\/p\u003e\n\u003cp\u003eThe broad temperature range makes it useful as a shared instrument for multiple research groups.\u003c\/p\u003e\n\u003ch3\u003ePharmaceutical Research \u0026amp; Quality Control\u003c\/h3\u003e\n\u003cp\u003ePharmaceutical laboratories may use the WB20 for sample preparation, formulation work, reagent warming, controlled incubation, and quality-control procedures.\u003c\/p\u003e\n\u003cp\u003eFor regulated applications, the laboratory should establish appropriate calibration, qualification, maintenance, and documentation procedures based on the intended use.\u003c\/p\u003e\n\u003ch3\u003eClinical \u0026amp; Research Laboratories\u003c\/h3\u003e\n\u003cp\u003eClinical research groups can use the WB20 for procedures requiring controlled warming or incubation.\u003c\/p\u003e\n\u003cp\u003ePotential applications include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSample preparation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReagent warming\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eControlled incubation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLaboratory method development\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResearch protocols\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe bath should not be assumed to meet a specific regulated method unless that application has been appropriately validated.\u003c\/p\u003e\n\u003ch3\u003eFood, Beverage \u0026amp; Environmental Testing\u003c\/h3\u003e\n\u003cp\u003eGeneral-purpose water baths are also useful outside life-science research.\u003c\/p\u003e\n\u003cp\u003eFood-science, beverage, environmental, and industrial laboratories may use the WB20 for:\u003c\/p\u003e\n\u003cp\u003eSample preparation\u003cbr\u003eExtraction procedures\u003cbr\u003eTemperature equilibration\u003cbr\u003eQuality-control testing\u003cbr\u003eMicrobiological procedures\u003cbr\u003eMaterials testing\u003c\/p\u003e\n\u003cp\u003eThe large 20-liter chamber supports batch processing of multiple samples.\u003c\/p\u003e\n\u003ch3\u003eVWR WB20 vs. Smaller Water Baths\u003c\/h3\u003e\n\u003cp\u003eSmaller laboratory water baths may be appropriate for low-volume workflows or laboratories with severe bench-space constraints.\u003c\/p\u003e\n\u003cp\u003eThe WB20 offers a larger 20-liter capacity that is better suited for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMultiple users\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarger sample batches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMultiple racks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarger bottles and vessels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eShared laboratory use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis additional capacity can reduce the need to run several separate incubation batches.\u003c\/p\u003e\n\u003ch3\u003eVWR WB20 vs. Circulating Water Bath\u003c\/h3\u003e\n\u003cp\u003eThe WB20 is a \u003cstrong\u003egeneral-purpose water bath\u003c\/strong\u003e, not an external circulating bath.\u003c\/p\u003e\n\u003cp\u003eA circulating bath actively pumps fluid through the chamber or through connected external equipment.\u003c\/p\u003e\n\u003cp\u003eCirculating systems may be preferable when:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eExtremely rapid equilibration is required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFluid must be circulated externally\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSpecialized thermal-control applications are involved\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor routine sample warming, incubation, thawing, and reagent preparation, a general-purpose bath such as the WB20 is often simpler and more economical.\u003c\/p\u003e\n\u003ch3\u003eVWR WB20 vs. Thermo Precision GP20\u003c\/h3\u003e\n\u003cp\u003eThe VWR WB20 and Thermo Scientific Precision GP20 occupy a similar general-purpose 20-liter category.\u003c\/p\u003e\n\u003cp\u003eBoth provide digital control, broad laboratory applicability, and approximately 100°C maximum temperature capability.\u003c\/p\u003e\n\u003cp\u003eThe primary purchasing considerations between units may include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCurrent availability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePhysical chamber dimensions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncluded accessories\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eController preference\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCondition\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePrice\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eService history\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor laboratories primarily seeking reliable 20-liter temperature-controlled capacity, either platform can be a practical choice when properly tested.\u003c\/p\u003e\n\u003ch3\u003eMaintaining Water Quality\u003c\/h3\u003e\n\u003cp\u003eWater quality can significantly affect the condition of any laboratory bath.\u003c\/p\u003e\n\u003cp\u003eTap water containing high mineral concentrations can produce scale and deposits over time.\u003c\/p\u003e\n\u003cp\u003eLaboratories should periodically inspect the chamber and replace bath water as appropriate.\u003c\/p\u003e\n\u003cp\u003eRoutine maintenance may include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDraining old water\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCleaning the chamber\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRemoving mineral deposits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChecking for corrosion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMonitoring fluid level\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInspecting racks and accessories\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOnly cleaning agents and bath additives compatible with the manufacturer recommendations and stainless-steel reservoir should be used.\u003c\/p\u003e\n\u003ch3\u003eReducing Evaporation\u003c\/h3\u003e\n\u003cp\u003eWater loss increases as operating temperature rises.\u003c\/p\u003e\n\u003cp\u003eUsing a properly fitted lid can help:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eReduce evaporation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImprove temperature stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReduce heat loss\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLimit airborne debris entering the bath\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReduce frequency of water replacement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCustomers purchasing a used or refurbished WB20 should confirm which lid and accessories are included with the individual unit.\u003c\/p\u003e\n\u003ch3\u003eProper Water Level\u003c\/h3\u003e\n\u003cp\u003eThe water level should be maintained within the appropriate operating range.\u003c\/p\u003e\n\u003cp\u003eInsufficient water can reduce temperature performance and may potentially stress the heating system.\u003c\/p\u003e\n\u003cp\u003eSamples should also be positioned so that the desired portion of each vessel remains adequately immersed without creating a spill or tipping hazard.\u003c\/p\u003e\n\u003ch3\u003eWater Bath Safety\u003c\/h3\u003e\n\u003cp\u003eAlthough a water bath is relatively simple laboratory equipment, temperatures approaching 100°C can create burn hazards.\u003c\/p\u003e\n\u003cp\u003eOperators should use appropriate precautions when:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eRemoving hot vessels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOpening covers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDraining heated water\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMoving racks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWorking near steam or condensation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHot-water procedures should follow established laboratory safety practices.\u003c\/p\u003e\n\u003ch3\u003eRefurbishment \u0026amp; Testing by American Instrument Exchange\u003c\/h3\u003e\n\u003cp\u003eBefore a used VWR WB20 returns to service, American Instrument Exchange evaluates the water bath for proper operation and overall condition.\u003c\/p\u003e\n\u003cp\u003eTesting may include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePower-up\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDigital controller operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDisplay function\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeating performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTemperature setpoint response\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTemperature stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTemperature distribution\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChamber condition\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eElectrical operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWiring condition\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReservoir integrity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLeak inspection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGeneral cosmetic condition\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe bath is cleaned and prepared for laboratory use before shipment.\u003c\/p\u003e\n\u003ch3\u003eWhy Purchase a Refurbished VWR WB20?\u003c\/h3\u003e\n\u003cp\u003eA general-purpose water bath is an essential instrument in many laboratories, but purchasing a new unit may not always be the best use of available capital.\u003c\/p\u003e\n\u003cp\u003eA used and refurbished \u003cstrong\u003eVWR WB20 from American Instrument Exchange\u003c\/strong\u003e can provide laboratories with dependable digital temperature control while reducing equipment acquisition costs.\u003c\/p\u003e\n\u003cp\u003eRefurbished equipment may be especially attractive for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eStartup laboratories\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExpanding biotech companies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAcademic research groups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSecondary laboratory spaces\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBackup equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eShared facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLaboratories replacing failed baths quickly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAmerican Instrument Exchange supplies used and refurbished laboratory equipment to research, clinical, pharmaceutical, biotechnology, academic, and industrial facilities.\u003c\/p\u003e\n\u003ch3\u003eShipping \u0026amp; Installation\u003c\/h3\u003e\n\u003cp\u003eThe WB20 is a compact benchtop instrument and generally requires minimal installation.\u003c\/p\u003e\n\u003cp\u003eBefore placing the bath into service, laboratories should confirm:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAdequate bench space\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLevel supporting surface\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAppropriate 120V electrical service\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eClearance for the lid\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConvenient water access\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSafe drainage location\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdequate surrounding workspace\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe instrument should be positioned where accidental water spills will not affect sensitive electrical or analytical equipment.\u003c\/p\u003e\n\u003ch3\u003eRelated Laboratory Equipment\u003c\/h3\u003e\n\u003cp\u003eLaboratories using the VWR WB20 may also require \u003cstrong\u003edry baths, heat blocks, incubators, orbital shakers, shaking water baths, centrifuges, refrigerators, freezers, ultra-low freezers, autoclaves, and other sample-preparation equipment\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAmerican Instrument Exchange provides used and refurbished laboratory equipment for biotechnology, pharmaceutical, academic, clinical, environmental, food-science, and industrial laboratories.\u003c\/p\u003e\n\u003ch3\u003eVWR WB20 Frequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eWhat is the VWR WB20?\u003c\/h4\u003e\n\u003cp\u003eThe VWR WB20 is a \u003cstrong\u003e20-liter digital general-purpose laboratory water bath\u003c\/strong\u003e designed for controlled heating and incubation of laboratory samples.\u003c\/p\u003e\n\u003ch4\u003eWhat is the capacity of the VWR WB20?\u003c\/h4\u003e\n\u003cp\u003eThe bath holds approximately \u003cstrong\u003e20 liters \/ 5.3 gallons\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4\u003eWhat is the temperature range?\u003c\/h4\u003e\n\u003cp\u003eThe WB20 operates from approximately \u003cstrong\u003eambient +5°C to 100°C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4\u003eCan the WB20 operate below room temperature?\u003c\/h4\u003e\n\u003cp\u003eNo. It is a heating water bath and does not include refrigeration.\u003c\/p\u003e\n\u003ch4\u003eWhat is the temperature stability?\u003c\/h4\u003e\n\u003cp\u003eTemperature stability is approximately \u003cstrong\u003e±0.1°C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4\u003eWhat is the temperature uniformity?\u003c\/h4\u003e\n\u003cp\u003eTemperature uniformity is approximately \u003cstrong\u003e±0.2°C at 37°C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4\u003eIs the WB20 suitable for 37°C incubation?\u003c\/h4\u003e\n\u003cp\u003eYes. The WB20 is well suited for biological and biochemical procedures commonly performed around \u003cstrong\u003e37°C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4\u003eWhat type of controller does the WB20 use?\u003c\/h4\u003e\n\u003cp\u003eThe bath uses \u003cstrong\u003edigital microprocessor temperature control\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4\u003eHow large is the bath chamber?\u003c\/h4\u003e\n\u003cp\u003eThe internal bath dimensions are approximately \u003cstrong\u003e9.5\"L x 17.5\"W x 5\"H\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4\u003eWhat voltage does the WB20 require?\u003c\/h4\u003e\n\u003cp\u003eThe referenced WB20 configuration operates on \u003cstrong\u003e120V, 60 Hz\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4\u003eWhat is the current draw?\u003c\/h4\u003e\n\u003cp\u003eApproximately \u003cstrong\u003e12 A\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4\u003eCan it be used for molecular biology?\u003c\/h4\u003e\n\u003cp\u003eYes. Applications can include reagent warming, buffer equilibration, enzyme incubation, and controlled sample thawing.\u003c\/p\u003e\n\u003ch4\u003eCan the WB20 be used for microbiology?\u003c\/h4\u003e\n\u003cp\u003eYes. It is suitable for media warming, sample preparation, incubation, and other routine microbiology procedures.\u003c\/p\u003e\n\u003ch4\u003eCan the WB20 be used in pharmaceutical laboratories?\u003c\/h4\u003e\n\u003cp\u003eYes. General-purpose water baths are frequently used for pharmaceutical research and quality-control sample preparation. Regulated uses should be appropriately validated by the facility.\u003c\/p\u003e\n\u003ch4\u003eIs the WB20 a circulating water bath?\u003c\/h4\u003e\n\u003cp\u003eNo. It is a general-purpose laboratory water bath.\u003c\/p\u003e\n\u003ch4\u003eWhy choose a 20-liter bath instead of a smaller model?\u003c\/h4\u003e\n\u003cp\u003eThe larger chamber accommodates more samples, multiple racks, larger vessels, and shared laboratory workloads.\u003c\/p\u003e\n\u003ch4\u003eDoes the WB20 use a stainless-steel chamber?\u003c\/h4\u003e\n\u003cp\u003eYes. The reservoir is constructed from stainless steel for durability and ease of cleaning.\u003c\/p\u003e\n\u003ch4\u003eShould I use a lid?\u003c\/h4\u003e\n\u003cp\u003eA lid is recommended for many applications because it reduces evaporation and heat loss. Buyers should confirm whether a lid is included with the specific refurbished unit.\u003c\/p\u003e\n\u003ch4\u003eHow should a laboratory water bath be maintained?\u003c\/h4\u003e\n\u003cp\u003eRoutine maintenance includes changing the water, cleaning the stainless-steel reservoir, removing mineral buildup, maintaining proper fluid level, and inspecting the instrument for signs of corrosion or damage.\u003c\/p\u003e\n\u003ch4\u003eIs the VWR WB20 available used and refurbished?\u003c\/h4\u003e\n\u003cp\u003eYes. American Instrument Exchange offers used and refurbished laboratory equipment, including general-purpose water baths such as the VWR WB20.\u003c\/p\u003e\n\u003ch4\u003eHow does American Instrument Exchange test a refurbished WB20?\u003c\/h4\u003e\n\u003cp\u003eAIE evaluates heating, controls, temperature response, chamber condition, electrical operation, reservoir integrity, and overall functionality before preparing the bath for shipment.\u003c\/p\u003e","brand":"VWR","offers":[{"title":"Default Title","offer_id":43604461944880,"sku":"0846R BATH","price":595.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/www.americaninstrument.com\/products\/vwr-wb20-20-liter-digital-laboratory-water-bath","provider":"American Instrument Exchange","version":"1.0","type":"link"}