White-Rodgers 1F87U-42WF Thermostat

The White-Rodgers 1F87U-42WF Thermostat is a 7 Day Programmable Wi-Fi thermostat designed to deliver precise, energy-smart climate control.

Powered by 24V AC at 50/60 Hz, it supports 2-Heat/2-Cool configurations for conventional systems and 4-Heat/2-Cool for heat pumps, making it a versatile choice for many homes.

With a slim rectangular horizontal cover, this thermostat blends with any décor while offering reliable wall control. It supports a wide operational range and accurate setpoint management for comfortable living spaces.

Key specs include a temperature range of 32–105°F, a setpoint span of 50–99°F, and a display that shows 32–99°F for quick viewing. Humidity handling reaches up to 90% (non-condensing), ensuring dependable performance in varying environments.

Terminal designations RC, RH, C, W/E, W2, Y, Y2, O/B, G, L provide broad compatibility with different systems, including gas, oil, electric, 3-wire zone valves, and PTAC units.

• 7-day programmable scheduling with integrated Wi‑Fi connectivity
• 24V AC operation at 50/60 Hz; current 1.5–2.5 A
• Conventional or heat pump compatibility: 2-Heat/2-Cool or 4-Heat/2-Cool
• Display & setpoint: 32–99°F display; 50–99°F setpoint
• Dimensions: 5.88 in W x 1 in D x 3.75 in H
• Compatibility: Gas, Oil, Electric; PTAC compatible; 3-Wire Zone Valve