Labconco Freestanding Glassware Washer - 4420430

Labconco FlaskScrubber 4420430 Freestanding Laboratory Glassware Washer

The Labconco FlaskScrubber 4420430 Freestanding Glassware Washer is a heavy-duty automated laboratory washing system designed specifically for narrow-neck flasks, bottles, graduated cylinders, general laboratory glassware, and reusable labware. Featuring a 36-position direct-injection spindle rack, programmable wash cycles, steam-assisted cleaning, purified-water rinsing, forced-air drying through the spindles, and a tempered-glass viewing window, the FlaskScrubber 4420430 provides laboratories with a repeatable and efficient alternative to hand washing.

Unlike general-purpose laboratory washers that rely primarily on external spray arms, the FlaskScrubber directs water and detergent through individual spindles positioned inside narrow-neck vessels. This provides direct cleaning action on internal flask and bottle surfaces that can be difficult to reach with conventional spray washing.

After washing and rinsing, heated forced air can also travel through the spindle system to dry the interiors of compatible vessels. This combination of direct-injection washing and internal forced-air drying makes the 4420430 particularly useful for laboratories processing significant quantities of Erlenmeyer flasks, volumetric flasks, media bottles, reagent bottles, graduated cylinders, and similar glassware.

The freestanding configuration incorporates stainless-steel exterior panels and can be installed independently of laboratory casework. This particular catalog number also includes a tempered-safety-glass viewing window and illuminated chamber, allowing operators to visually monitor glassware during operation.

This used and reconditioned Labconco FlaskScrubber 4420430 is inspected, cleaned, and extensively operationally tested by American Instrument Exchange. Technicians run the washer through its programmed cycles multiple times and repair or replace components as needed. The unit includes a 90-day warranty from American Instrument Exchange.

Labconco FlaskScrubber 4420430 Key Features

• Freestanding laboratory glassware washer

• Catalog number 4420430

• Designed especially for narrow-neck glassware

• 36-position stainless-steel lower spindle rack

• 18 glassware holders

• Additional small interchangeable spindles

• Direct injection of wash and rinse water into vessels

• Forced-air drying through the spindles and chamber

• Maximum wash temperature of approximately 82°C / 180°F

• Drying temperature programmable from approximately 38°C to 70°C / 100°F to 158°F

• Forced-air drying programmable for up to approximately 250 minutes

• Advanced steam generator

• Purified-water rinse capability

• Up to six purified-water rinses

• Recirculation pump rated approximately 96 gallons per minute

• LCD information center

• Microprocessor cycle programming

• Seven factory-set cycle programs

• Two additional user-defined programs

• Delayed start up to eight hours

• Tempered safety-glass viewing window

• Interior illumination

• 304 stainless-steel wash chamber

• Stainless-steel exterior sides and top

• Fine-mesh stainless-steel drain filter

• Automatic drain pump

• Detergent and rinse-solution dispensing systems

• Optional upper racks for greater capacity

• Optional standard racks for general-purpose glassware

• 115V, 60 Hz, 16 A

• 20 A branch circuit required

• Hardwired installation in standard freestanding configuration

• Used and reconditioned by American Instrument Exchange

• 90-day warranty

Labconco FlaskScrubber 4420430 Overview

Cleaning laboratory glassware is more demanding than cleaning ordinary dishes.

Even when a flask looks visually clean, residues from culture media, proteins, salts, detergents, buffers, oils, chemicals, or previous samples may remain on the glass surface.

These residues can interfere with subsequent experiments by altering:

• pH

• conductivity

• assay chemistry

• microbial growth

• analytical measurements

• protein behavior

• reagent purity

Manual washing can also vary considerably between laboratory personnel.

The Labconco FlaskScrubber was developed to provide a more standardized approach.

Its programmable cycles control washing, rinsing, steam treatment, purified-water rinsing, and drying so the process can be repeated more consistently from load to load.

Labconco FlaskScrubber 4420430 Key Specifications

Specification	Details
Manufacturer	Labconco
Product Line	FlaskScrubber
Catalog Number	4420430
Equipment Type	Freestanding Laboratory Glassware Washer
Primary Application	Narrow-neck and general laboratory glassware
Configuration	Freestanding with viewing window and light
Lower Rack	36-position spindle rack
Large Spindles	36 detachable
Glassware Holders	18
Additional Small Spindles	10
Maximum Wash Temperature	82°C / 180°F
Wash Pump Flow	Approx. 96 gal/min / 363 L/min
Drain Pump Capacity	Greater than 7 gal/min / 26 L/min
Purified-Water Rinses	Up to 6
Drying System	Forced heated air through chamber and spindles
Drying Temperature	Approx. 38–70°C / 100–158°F
Maximum Drying Time	Approx. 250 minutes
Steam Generator	Yes
Factory Programs	7
User-Defined Programs	2
Delayed Start	Up to 8 hours
User Interface	LCD information center
Viewing Window	Yes
Interior Light	Yes
Chamber Construction	304 stainless steel
Exterior Construction	Stainless-steel sides and top
Water Consumption	Approx. 3.4 gal / 13 L per fill
Recommended Minimum Fill-Water Temperature	Approx. 120°F / 49°C
Feed Water Pressure	20–120 psi
Electrical	115V, 60 Hz
Maximum Current	16 A
Required Branch Circuit	20 A
Standard Installation	Hardwired
Exterior Dimensions	Approx. 24.2"W x 27.5"D x 34.2–36.2"H
Shipping Weight	Approx. 239 lb. / 108 kg
Condition	Used / Reconditioned
AIE Warranty	90 Days

Common Applications

The Labconco FlaskScrubber 4420430 is well suited for biotechnology, pharmaceutical research, microbiology, molecular biology, analytical chemistry, environmental testing, academic research, food science, fermentation research, quality-control laboratories, culture-media preparation, and other workflows that generate significant amounts of reusable laboratory glassware.

It is particularly valuable when narrow-neck vessels represent a substantial portion of the laboratory's glassware workload.

Ideal Laboratory Types

The FlaskScrubber 4420430 is a strong choice for biotechnology companies, pharmaceutical laboratories, university research facilities, microbiology laboratories, analytical chemistry groups, contract research organizations, environmental testing laboratories, food and beverage laboratories, fermentation groups, industrial R&D facilities, and centralized glassware-washing areas.

The freestanding cabinet is also useful where laboratory casework does not provide a suitable undercounter installation location.

Direct-Injection Spindle Washing

The defining feature of the FlaskScrubber is its spindle injection system.

A narrow-neck flask can be difficult to wash effectively with a standard rotating spray arm because the vessel opening restricts the amount of wash water reaching the interior.

The FlaskScrubber addresses this problem by positioning a dedicated spindle inside each vessel.

Water and detergent are pumped directly through that spindle.

The cleaning solution therefore reaches:

• The bottom of the flask

• Interior sidewalls

• Shoulder areas

• Other internal surfaces

more directly than with external spray alone.

This is especially valuable for dried-on culture media, salts, buffers, and other residues that can accumulate inside flasks and bottles.

36-Position Lower Spindle Rack

The standard lower rack is constructed from 304 stainless steel and includes up to 36 detachable large spindles.

Labconco also supplies glassware holders and adjustable clips to help position vessels correctly during the cycle.

The rack includes smaller interchangeable spindles for smaller vessels.

Unused spindle locations can be plugged so water pressure is directed through the positions actually being used.

This modular arrangement allows one washer to accommodate a wide range of laboratory vessel sizes.

Narrow-Neck Glassware Applications

The FlaskScrubber is particularly useful for:

Erlenmeyer flasks
Volumetric flasks
Media bottles
Reagent bottles
Graduated cylinders
Culture vessels
BOD bottles
Sample bottles
Digestion vessels

Direct injection reduces reliance on brushes and manual rinsing, which can be especially time consuming when laboratories process dozens of flasks per day.

General Laboratory Glassware

Although its greatest advantage is narrow-neck washing, the FlaskScrubber can also be configured for more general laboratory glassware.

Labconco offered optional standard racks, baskets, inserts, and specialized accessories for items including:

• Beakers

• Petri dishes

• Culture tubes

• Pipettes

• Graduated cylinders

• Small vials

• Utensils

• Wide-mouth containers

A Lower Standard Rack can be substituted for the spindle rack when direct injection is unnecessary.

Steam-Assisted Cleaning

The FlaskScrubber includes an integrated steam generator.

During appropriate cycles, the system generates hot vapor before the second wash stage.

Steam can help soften and loosen dried or stubborn residue before mechanical washing continues.

This can improve cleaning of substances such as:

• Dried culture media

• Biological material

• Sugars

• Salts

• Oils

• General laboratory residues

Steam-assisted washing complements rather than replaces detergent, heat, and mechanical spray action.

Maximum Wash Temperature of 82°C

Catalog number 4420430 is the 115V configuration of this FlaskScrubber.

Labconco specifies a maximum internal wash-water temperature of approximately:

82°C / 180°F

for this model.

Higher water temperatures can improve detergent effectiveness and help dissolve or loosen many laboratory residues.

The related 4420431 208/230V configuration can reach approximately 93°C / 199°F, but that higher specification should not be applied to the 4420430.

96-Gallon-per-Minute Recirculation Pump

At 115V and 60 Hz, the FlaskScrubber's wash pump recirculates approximately:

96 gallons / 363 liters per minute

through the wash system.

High water circulation provides the mechanical action needed to clean laboratory vessels.

Rather than continuously using fresh water at this flow rate, the washer recirculates wash solution through the chamber and spindle system during the appropriate portions of the cycle.

Purified-Water Rinsing

The 4420430 incorporates a dedicated purified-water pump and can perform up to six purified-water rinses.

Purified-water rinsing can be particularly important in laboratories where tap-water residues could affect subsequent experiments.

Tap water may contain:

• Calcium

• Magnesium

• Sodium

• Chloride

• Silicates

• Other dissolved ions

After ordinary washing, these substances can remain on glassware as water spots or trace residues.

A purified-water final rinse helps reduce these contaminants.

Applications That Benefit from Purified-Water Rinses

Purified-water rinses can be particularly valuable for:

Analytical chemistry
Trace analysis
Buffer preparation
Cell-culture support
Pharmaceutical research
Protein chemistry
Environmental testing
Sensitive assays

The level of water purity required depends on the application and the laboratory's established procedures.

Forced-Air Drying

After washing and rinsing, the FlaskScrubber can automatically dry glassware using heated forced air.

This eliminates much of the time required to transfer wet vessels to racks for passive drying.

The drying system can be programmed from approximately:

38°C to 70°C / 100°F to 158°F

with drying durations up to approximately:

250 minutes.

The appropriate conditions depend on the type and thickness of the glassware and the amount of residual moisture.

Forced-Air Drying Through the Spindles

A particularly important feature of the FlaskScrubber is that drying air travels through the spindle system as well as the washing chamber.

This directly addresses one of the most frustrating problems associated with narrow-neck laboratory glassware.

A flask may dry quickly on its exterior while moisture remains trapped deep inside.

By directing warm air into the vessel itself, the FlaskScrubber promotes more complete internal drying.

This can reduce turnaround time between washing and reuse.

Seven Factory-Programmed Cycles

Because the 4420430 is a 115V model, it provides seven factory-programmed cycles:

Rinse Only

For loads requiring rinsing without a complete wash procedure.

Plastic

Designed around lower-temperature requirements for compatible plastic labware.

Glass

Routine cleaning for standard laboratory glassware.

Glass Plus

More intensive cleaning for glassware requiring additional treatment.

Science

For laboratory applications requiring a more extensive cleaning procedure.

Science Plus

A more intensive scientific washing sequence.

Dry Only

Allows washed or wet glassware to undergo a drying cycle without repeating a wash.

Two User-Defined Programs

In addition to the factory programs, laboratories can create and store two customized washing programs.

Users can modify appropriate cycle parameters such as:

• Wash duration

• Rinse sequence

• Number of rinses

• Purified-water rinses

• Drying settings

• Other available operating parameters

This allows the FlaskScrubber to support established laboratory cleaning procedures rather than requiring every type of glassware to use the same cycle.

LCD Information Center

The 4420430 uses an LCD information center with membrane controls rather than the touchscreen interface found on the newer FlaskScrubber Vantage.

The display allows operators to:

• Select programs

• Monitor cycles

• View internal water temperature

• Adjust programmable parameters

• Respond to system messages and alarms

While simpler than the newer Vantage interface, this system still provides considerable control over automated cleaning.

Delayed Start

A programmed cycle can be delayed for up to approximately eight hours.

This can be useful when laboratories want a cleaning cycle to:

• Run after normal working hours

• Finish early the following morning

• Coordinate with staffing

• Reduce interference with other laboratory activity

Delayed start can also improve throughput in shared glassware-processing areas.

System Alarms

The FlaskScrubber monitors a variety of operating conditions.

Depending on the condition encountered, the display can provide alerts related to:

• Hot glassware

• Water level

• Overflow

• Detergent

• Rinse solution

• Drain failure

• Low temperature

• Cycle status

These diagnostic messages can help operators identify conditions requiring attention rather than discovering an incomplete cleaning cycle later.

Viewing Window & Interior Light

Catalog number 4420430 specifically includes a viewing window and interior light.

The tempered safety-glass window allows operators to monitor conditions inside the washing chamber while the cycle is running.

Interior illumination improves visibility of:

• Glassware positioning

• Spray action

• Rack configuration

• Potential vessel movement

without opening the door and interrupting the process.

304 Stainless-Steel Construction

The FlaskScrubber uses extensive 304 stainless-steel construction.

Stainless-steel components include the:

• Washing chamber

• Door

• Upper wash arm

• Lower wash arm

• Spindle rack

The freestanding configuration also features stainless-steel exterior sides and top.

This construction provides durability and resistance to repeated exposure to hot water and compatible laboratory detergents.

Fine-Mesh Particle Filter

A stainless-steel fine-mesh drain filter helps trap debris inside the wash tank before it reaches downstream pumping components.

This filter can be removed without tools for routine cleaning.

Keeping the filter free of debris helps maintain proper drainage and circulation.

Detergent & Neutralizing Rinse Systems

The FlaskScrubber incorporates systems for adding appropriate washing detergent and neutralizing rinse solution.

Correct detergent chemistry is important because laboratory residues may differ substantially from ordinary household soils.

Compatible laboratory detergents are formulated to remove contaminants while minimizing residues on scientific glassware.

The appropriate cleaning chemistry should always be selected according to:

• Sample type

• Contaminant

• Glassware

• Laboratory procedure

• Downstream analytical requirements

FlaskScrubber vs. Hand Washing

Manual washing requires significant technician time.

A typical process may involve:

Pre-rinsing
Adding detergent
Brushing individual vessels
Multiple tap-water rinses
Purified-water rinsing
Draining
Drying

For a laboratory handling dozens or hundreds of pieces of glassware each week, this can consume substantial staff time.

The FlaskScrubber automates much of that process while also improving cycle-to-cycle consistency.

This allows skilled laboratory personnel to spend more time on research rather than routine glassware cleaning.

FlaskScrubber vs. Conventional Laboratory Washer

A conventional laboratory washer can be effective for beakers, trays, dishes, and other wide-mouth labware.

The FlaskScrubber adds one major advantage:

direct injection inside narrow-neck vessels.

If the majority of a laboratory's workload consists of:

Erlenmeyer flasks
Media bottles
Volumetric flasks
Graduated cylinders
Narrow-neck sample bottles

the FlaskScrubber configuration can provide more effective internal cleaning than a spray-arm-only washer.

FlaskScrubber 4420430 vs. 4420431

The 4420430 and 4420431 are closely related freestanding FlaskScrubber models with viewing windows and forced-air drying.

The key distinction is electrical configuration.

The 4420430 operates on:

115V, 60 Hz, 16 A

and reaches a maximum wash temperature of approximately:

82°C / 180°F

The 4420431 operates on:

208/230V

and can reach approximately:

93°C / 199°F

For laboratories with standard 115V service and routine cleaning requirements, the 4420430 provides easier electrical compatibility.

For applications requiring the highest available wash temperature, the higher-voltage 4420431 may be preferable.

FlaskScrubber 4420430 vs. Undercounter 4420330

Labconco also offered an undercounter version with similar core capabilities.

The 4420330 is designed primarily for installation beneath laboratory casework.

The 4420430 is freestanding, with stainless-steel exterior sides and top.

A freestanding washer is particularly useful when:

• Suitable casework space is unavailable

• The washer will stand at the end of a laboratory bench

• Greater installation flexibility is desired

• The unit may later be relocated

The actual utility requirements remain important regardless of cabinet configuration.

FlaskScrubber 4420430 vs. FlaskScrubber Vantage

The newer FlaskScrubber Vantage builds on the same core direct-injection washing concept but adds a more modern control and monitoring platform.

The Vantage may include features such as:

• Full-color touchscreen controls

• CleanWorks operating software

• Large numbers of user-defined programs

• Conductivity-based rinse monitoring

• Expanded data connectivity

• More sophisticated documentation capabilities

• Higher drying temperatures on applicable configurations

The 4420430, however, still provides the core laboratory functionality that makes the FlaskScrubber valuable:

36-position spindle washing

steam-assisted cleaning

purified-water rinsing

programmable cycles

and

forced-air drying through the spindles.

For laboratories that do not require the Vantage's advanced digital features, a refurbished 4420430 can offer an excellent value.

Analytical Chemistry Applications

Clean glassware is especially important in analytical chemistry.

Trace residues from detergents, salts, or previous samples can interfere with measurements.

The ability to perform multiple purified-water rinses makes the FlaskScrubber useful for laboratories working with:

• Spectroscopy

• Chromatography sample preparation

• Environmental analysis

• Quantitative chemistry

• Reagent preparation

• Trace analysis

Cleaning protocols should be developed according to the sensitivity of the specific analytical method.

Biotechnology & Microbiology Applications

Biotechnology and microbiology laboratories can generate substantial quantities of:

Erlenmeyer flasks
Media bottles
Culture vessels
Graduated cylinders
Reagent bottles

These vessels frequently contain dried culture media, proteins, salts, sugars, and biological residues.

Steam-assisted washing and direct spindle injection can significantly reduce the manual effort required to prepare this glassware for reuse.

Pharmaceutical & Research Applications

Pharmaceutical development and quality-control laboratories often need consistent cleaning procedures for reusable laboratory glassware.

Programmable cycles can help standardize variables such as:

• Wash duration

• Rinse sequence

• Temperature

• Drying

For regulated applications, laboratories should establish their own qualification, validation, documentation, and standard operating procedures appropriate to the intended use.

Water Requirements

The FlaskScrubber requires appropriate laboratory water connections.

Manufacturer specifications include approximately:

120°F / 49°C minimum recommended incoming fill-water temperature

with feed-water pressure between approximately:

20 and 120 psi.

The washer uses approximately:

3.4 gallons / 13 liters per fill.

If purified-water rinsing is used, the supply should also be capable of delivering the required volume and flow.

Purified-Water Supply

The FlaskScrubber includes a pump that can draw purified water from either appropriate pressurized or non-pressurized sources.

If purified water is generated while the washing cycle is already in progress, sufficient production capacity is necessary to prevent delays.

Labconco specifies approximately 0.9 gallon / 3.4 liters per minute when purified water must be supplied concurrently with operation.

Electrical Requirements

The Labconco 4420430 operates on:

115V, 60 Hz

with a maximum operating current of approximately:

16 A.

Labconco specifies a:

20 A circuit breaker or fuse

for installation.

Standard freestanding and undercounter units are designed to be hardwired directly to a junction box using conduit.

If converted to a mobile configuration, the 115V version may use a suitable 20 A connection.

Site electrical requirements should always be confirmed from the individual machine's data plate before installation.

Compact Freestanding Footprint

Despite being a full-featured freestanding washer, the 4420430 has a relatively compact footprint.

Overall dimensions are approximately:

24.2"W x 27.5"D x 34.2–36.2"H

The adjustable height allows the machine to be leveled and aligned appropriately with surrounding laboratory furniture.

The relatively narrow 24-inch width also makes it easier to integrate into laboratories where floor space is limited.

Refurbishment & Testing by American Instrument Exchange

Laboratory glassware washers incorporate multiple mechanical, plumbing, heating, and electrical systems that must work together properly.

American Instrument Exchange technicians operate used washers through their programmed cycles multiple times before shipment.

Evaluation may include:

• Wash-pump operation

• Spindle-rack washing

• Spray-arm movement

• Water filling

• Water heating

• Steam-generator operation

• Drain-pump performance

• Purified-water system

• Detergent system

• Rinse system

• Forced-air drying

• Door operation

• Viewing window

• Controls and display

• Cycle programming

• Alarms

• Electrical operation

• Water leakage

Components are repaired or replaced as necessary.

The unit is then cleaned and prepared for laboratory use.

Refurbished Labconco Glassware Washers from American Instrument Exchange

Purchasing a refurbished Labconco FlaskScrubber can provide laboratories with professional automated glassware-washing capability at considerably lower cost than replacing the system with a new laboratory washer.

American Instrument Exchange supplies refurbished:

• FlaskScrubber glassware washers

• SteamScrubber glassware washers

• Laboratory dishwashers

• Autoclaves

• Water purification equipment

• Incubators

• Centrifuges

• Freeze dryers

• Refrigerators

• Freezers

• Other laboratory equipment

This Labconco 4420430 includes a 90-day warranty from American Instrument Exchange.

Shipping & Installation Considerations

The FlaskScrubber 4420430 measures approximately:

24.2"W x 27.5"D x 34.2–36.2"H

and has a manufacturer-listed shipping weight of approximately:

239 lb. / 108 kg.

Before installation, laboratories should plan for:

• Equipment access

• Appropriate floor location

• Hot-water supply

• Purified-water supply if required

• Building drain

• 115V electrical service

• Dedicated 20 A circuit

• Hardwired junction-box connection

• Adequate service clearance

• Level installation

A qualified plumber and electrician may be required to complete final installation.

Related Laboratory Equipment

Laboratories using the Labconco FlaskScrubber may also require water purification systems, laboratory glassware, autoclaves and sterilizers, laboratory ovens, incubators, orbital shakers, centrifuges, biosafety cabinets, refrigerators, freezers, and other sample-preparation equipment.

American Instrument Exchange supplies used, refurbished, and new laboratory equipment for biotechnology, pharmaceutical, analytical, academic, environmental, healthcare, and industrial facilities.

Labconco FlaskScrubber 4420430 Frequently Asked Questions

What is the Labconco FlaskScrubber 4420430?

The 4420430 is a 115V freestanding laboratory glassware washer with viewing window, direct-injection spindle rack, steam-assisted washing, purified-water rinsing, and forced-air drying.

Is the 4420430 a FlaskScrubber or SteamScrubber?

It is a FlaskScrubber. The defining feature is its spindle rack designed for direct cleaning of narrow-neck laboratory vessels.

Is this a freestanding model?

Yes. The 4420430 is a freestanding configuration with stainless-steel exterior sides and top.

Does this unit have a viewing window?

Yes. Catalog 4420430 includes a tempered safety-glass viewing window and interior illumination.

How many flasks can it wash?

The standard lower spindle rack includes 36 large spindle positions, although actual vessel capacity depends on glassware size and rack configuration.

Can it wash Erlenmeyer flasks?

Yes. Erlenmeyer flasks are one of the primary applications for the FlaskScrubber spindle system.

Can it wash volumetric flasks?

Yes. The spindle system is particularly useful for volumetric and other narrow-neck flasks.

Can it wash graduated cylinders?

Yes. Compatible graduated cylinders can be cleaned using appropriate spindles, holders, or specialized accessories.

Can it wash general laboratory glassware?

Yes. Optional standard racks and inserts allow the washer to handle many beakers, dishes, tubes, bottles, and other laboratory items.

What is the maximum wash temperature?

The 115V 4420430 reaches approximately 82°C / 180°F.

Why do some FlaskScrubber specifications say 93°C?

The 93°C / 199°F specification applies to the corresponding 208/230V models such as the 4420431, not the 115V 4420430.

Does it have a steam generator?

Yes. An integrated steam generator can produce hot vapor during appropriate cleaning cycles to help loosen difficult residues.

Does it use purified water?

Yes. The washer incorporates a purified-water pump and can perform up to six purified-water rinses.

How much water does it use?

The washer uses approximately 3.4 gallons / 13 liters per fill. Total consumption depends on the selected wash and rinse program.

How fast does the wash pump circulate water?

At 115V/60 Hz, the circulation pump is rated at approximately 96 gallons per minute.

Does the FlaskScrubber dry the glassware?

Yes. It uses heated forced-air drying.

Does drying air enter the flasks?

Yes. Drying air moves through the spindle system, helping remove moisture from inside compatible narrow-neck vessels.

What is the drying temperature range?

Drying temperature can be programmed from approximately 38°C to 70°C / 100°F to 158°F.

How long can the drying cycle run?

Forced-air drying can be programmed for up to approximately 250 minutes.

How many programmed cycles does the 4420430 have?

The 115V model has seven factory-set programs plus two user-defined programs.

What are the seven factory programs?

They are Rinse Only, Plastic, Glass, Glass Plus, Science, Science Plus, and Dry Only.

Does it have a delayed-start function?

Yes. The cycle can be delayed by up to approximately eight hours.

Does the 4420430 have a touchscreen?

No. This generation uses an LCD information center and membrane controls rather than the touchscreen interface used on newer FlaskScrubber Vantage models.

What electrical service does the 4420430 require?

The washer operates on 115V, 60 Hz, up to 16 A and requires a 20 A branch circuit.

Does it plug into a standard wall outlet?

The standard freestanding configuration is designed to be hardwired to a junction box. Mobile conversions may use an appropriate plug configuration.

What are the dimensions?

The 4420430 measures approximately 24.2"W x 27.5"D x 34.2–36.2"H.

How much does it weigh?

Manufacturer literature lists approximately 239 lb. / 108 kg shipping weight.

How does the 4420430 compare with the FlaskScrubber Vantage?

Both provide direct spindle washing for narrow-neck glassware. The newer Vantage adds more sophisticated touchscreen controls, greater programming capacity, conductivity monitoring, and enhanced data features. The 4420430 remains a very capable option for laboratories primarily seeking reliable automated washing, purified-water rinsing, and forced-air drying.

Does American Instrument Exchange test this washer before shipment?

Yes. American Instrument Exchange runs refurbished glassware washers through their programmed cycles multiple times while evaluating pumps, heating, washing, draining, drying, controls, water systems, and overall operation.

What warranty is included?

This refurbished Labconco FlaskScrubber 4420430 includes a 90-day warranty from American Instrument Exchange.