White Rodgers 1F85U-22PR Thermostat

For contractors looking for a versatile, shop-stocking standard, the White Rodgers 1F85U-22PR 80 Series thermostat is a professional-grade universal solution for complex HVAC configurations. This 2H/2C multi-stage thermostat provides precise control for conventional systems up to two heating and two cooling stages, as well as 2H/1C heat pump applications. Engineered for maximum field flexibility, it features selectable 7-day, 5+1+1 day, or non-programmable options, allowing technicians to match the interface to the end-user’s expertise. It serves as the primary direct replacement for legacy models including the 1F85-0422, 1F81-261, and 1F85-275, ensuring a seamless fit into existing footprints with its low-profile horizontal design.

The unit supports dual fuel control without requiring an outdoor sensor, optimizing performance for hybrid systems. Powering is versatile with 24VAC hardwire or mV-30Vac battery backup, accommodating systems from millivolt to standard 24V residential applications. With a wide 45-99°F setpoint range, auto-changeover logic, and keypad lockout for high-traffic environments, this thermostat is built for reliable, long-term operation in both residential and light commercial settings.

• Universal Compatibility: Operates single-stage, multi-stage (2H/2C), and heat pump systems with ease.
• Field Configurable: Select between 4, 2, or 0 program periods per day to meet specific homeowner needs.
• Enhanced Visibility: Features a high-contrast, 5-inch backlit display for effortless reading in low-light mechanical rooms.
• Streamlined Installation: Integrated level indicator and terminal block subbase (RH, RC, C, W/E, W2, Y, Y2, G, O/B/6, L) reduce time on site.
• Advanced System Logic: Includes auto-changeover and compressor short-cycle protection to maintain equipment integrity.

Is this thermostat compatible with 2-stage heat pump systems?
Yes, the White Rodgers 1F85U-22PR is rated for 2H/1C heat pump setups and handles 2H/2C for conventional systems.

Does this unit require a common wire?
No, it can be powered strictly by batteries, though a C-wire is recommended for a continuous backlit display and hardwired reliability.

Can I lock the temperature to prevent unauthorized adjustments?
Yes, the keypad lockout and setpoint temperature limits allow contractors to restrict access in rental or commercial properties.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.