Thermo Revco ULT1186 Ultra-Low Freezer – Legacy Repair, Service & Replacement
The Thermo Revco ULT1186 is an older upright ultra-low freezer documented in American Instrument Exchange's historical inventory. This unit is out of stock. This legacy resource supports research into operating problems, original specifications, maintenance and replacement planning rather than offering the original freezer for sale.
The original AIE listing specifies 11 cu. ft. capacity, -50°C to -86°C operation, a 26.5-inch-wide by 37-inch-deep footprint, a door-mounted digital temperature controller, five interior doors and insulated cabinet construction. It describes capacity for up to 18,000 vials in 15 racks, depending on actual rack configuration. Verify all details against the serial number and manufacturer documentation.
Thermo Revco ULT1186: Typical Applications
The ULT1186 was designed for laboratory frozen storage where low temperature and a relatively compact footprint matter. The appropriate setpoint depends on the materials stored and validated laboratory procedures. A nominal volume rating does not establish how many racks or cryoboxes will fit.
Thermo Revco ULT1186: Common High-Temperature Alarms
A high-temperature alarm may result from door openings, warm sample loading, blocked condenser airflow, damaged gaskets, electrical interruptions, sensor issues or refrigeration faults. Compare the controller with an independent calibrated monitor and preserve alarm history. Persistent warming during closed-door operation needs qualified evaluation.
Thermo Revco ULT1186: Five Interior Doors and Gasket Inspection
The historical listing describes five inner doors. Inspect each seal for frost, damage, hardening or incomplete closure. Check the outer gasket, hinges and latches as well. Avoid sharp tools and improvised heating methods when removing ice; follow approved defrost instructions.
Thermo Revco ULT1186: Cooling Performance and Airflow
Restricted airflow and dusty condenser surfaces can increase compressor load and slow recovery. Review room temperature, clearances and maintenance records. A freezer that reaches setpoint empty may not maintain stable temperatures under daily sample access. Sealed-system diagnosis requires qualified refrigeration personnel.
Thermo Revco ULT1186: Controller, Monitoring and Alarm System
The door-mounted controller provides a convenient readout, but critical storage requires independent temperature monitoring. Check alarm thresholds, backup batteries and remote contacts where installed. Record the nameplate voltage and controller revision before ordering parts.
Thermo Revco ULT1186: Preventive Maintenance
Inspect gaskets, condenser ventilation, temperature trends and alarm operation on a regular schedule. Record unusual noises, longer recovery times, changes in cycling and past repairs. Follow the manufacturer's service instructions and avoid modifying refrigeration or electrical systems without qualified assistance.
Thermo Revco ULT1186: Repair Feasibility
Repair may be reasonable for an isolated, diagnosable issue with available parts. Major compressor, controller or insulated-cabinet failures may be costly or difficult to support on older equipment. American Instrument Exchange can discuss available refurbished alternatives; specific repair capabilities and parts availability must be confirmed.
Thermo Revco ULT1186: Sample Protection and Emergency Response
Keep an up-to-date sample inventory and arrange qualified backup storage. If temperatures rise, follow laboratory procedures, limit unnecessary access and document the excursion and any sample transfers. The laboratory must determine sample suitability under its own validated protocols.
Thermo Revco ULT1186: Replacement Planning
Compare required temperature, rack capacity, usable compartment geometry, door swing, floor footprint, electrical supply and alarm interfaces. Measure racks rather than assuming that the ULT1186's original racks will fit a new freezer. For -86°C storage, consider AIE's Thermo TSX60086 or TSX70086 as examples; verify availability and compatibility.
Thermo Revco ULT1186: AIE Legacy Support
This historical product page helps laboratories identify the ULT1186 and compare service and replacement options. Contact American Instrument Exchange with the exact model, serial number, temperature requirement, electrical details and fault history to discuss practical next steps.
Thermo Revco ULT1186 Key Specifications
| Model |
Thermo Revco ULT1186 |
| Historical AIE SKU |
2566 |
| Capacity |
11 cu. ft. |
| Temperature |
-50°C to -86°C |
| Footprint |
26.5 in. W × 37 in. D per historical listing |
| Interior doors |
Five |
| Control |
Door-mounted digital controller |
| Rack capacity |
Up to 15 racks / 18,000 vials, configuration-dependent |
| Electrical |
Verify unit nameplate |
| Availability |
Out of stock |
Specifications compiled from historical AIE product information. Confirm against manufacturer literature and the individual unit.
Frequently Asked Questions About the Thermo Revco ULT1186
Is this freezer for sale?
No, this is an out-of-stock historical reference.
What temperature does it reach?
The historical range is -50°C to -86°C; verify actual performance.
What is the capacity?
The historical listing states 11 cu. ft.
How many interior doors are there?
Five, according to the historical AIE listing.
Can it be repaired?
Possibly, depending on diagnosis, parts and condition.
Why is it alarming?
Possible causes include access, seals, airflow, power, sensors or refrigeration faults.
Can I reuse my racks?
Only after measuring and checking the replacement's compartment dimensions.
Should I replace an aging ULT1186?
Consider repair costs, parts availability, reliability and sample risk.
Does AIE offer replacements?
AIE supplies refurbished laboratory equipment; check current availability.
What should I provide for service?
Model, serial, voltage, alarm history and temperature records.
