1F85U-42PR Emerson/White-Rodgers Programmable Thermostat, 2H/2C or 4H/2C Heat Pump
1F85U-42PR Emerson/White-Rodgers Programmable Thermostat, 2H/2C or 4H/2C Heat Pump
Restore programmable control on a compatible multi-stage heating and cooling system. Confirm the complete equipment model, system type, heating and cooling stages, power or voltage, terminal labels, auxiliary/emergency heat requirements, and wiring before ordering. A similar-looking thermostat is not proof of compatibility; some systems require a common wire, adapter, or approved control.
Technical Specifications
| Specification | Details |
|---|---|
| SKU / part number | 1F85U-42PR |
| Product type | Programmable universal thermostat |
| Brand | Emerson/White-Rodgers 80 Series |
| Stages | 2H/2C conventional or 4H/2C heat pump |
| Application | Compatible multi-stage conventional or heat-pump systems |
| Catalog description | Programmable universal thermostat for multi-stage conventional and heat-pump applications. |
Installation and safety: Turn off power at the HVAC disconnect or breaker before removing the existing thermostat. Label each wire, follow the equipment and thermostat instructions, and use a qualified HVAC technician when system voltage or wiring is uncertain.
How to find your model number: Read the thermostat model number on the front, behind the faceplate, or inside the sub-base. Also photograph the terminal wiring and locate the furnace, air-handler, or heat-pump model label. Verify the complete equipment and thermostat details before ordering.
Brand
WHITE-RODGERS DIVISION