White-Rodgers 1F85U-42NP Thermostat

White-Rodgers 1F85U-42NP Thermostat is a universal, non-programmable thermostat designed for 2-heat/2-cool conventional systems or 4-heat/2-cool heat pumps. It supports both battery operation at 30V AC and 24V AC hardwire, offering flexible installation for a wide range of comfort setups. The durable rectangular horizontal cover and compact body measure 6 inches wide by 1-1/8 inches deep by 3-3/4 inches high, with a 5 square inch display for quick reading.

Key features:

• Universal compatibility: works with 2-heat/2-cool conventional systems or 4-heat/2-cool heat pumps.
• Flexible power options: supports battery (30V AC) or 24V AC hardwire; load rating 1–1.5 A.
• Operational range: operating temperature 32–105°F; setpoint 45–99°F; display 32–99°F; humidity up to 90% non-condensing.
• Wiring versatility: terminal designations RC, RH, C, W/E, W2, Y, Y2, O/B/6, G, L support gas, oil, electric, 3-wire zone valve, and millivolt compatibility.
• Safety and compliance: NEC Class II compliant for safe, code-friendly installation.