White-Rodgers 1F85U-42NP Thermostat 30067439-890 Reduced Inventory: One universal blank

Reduced Inventory: One universal blank thermal chart replaces dozens of specific pre-printed ranges

The 3/32" orifice provides a technical balance

Optimized Performance: Delivers 3000 RPM at 0

High Pressure Rating: Rated for system static pressures up to 400 psi

Common indicators include low suction pressure

White-Rodgers 1F85U-42NP Thermostat 30067439-890 Reduced Inventory: One universal blankThe White Rodgers 1F85U 42NP is a versatile 80 Series Universal Staging Thermostat designed for high performance reliability in 2 Heat 2 Cool conventional systems or up to 4 Heat 2 Cool heat pump applications. This non programmable thermostat supports dual fuel control without requiring an external outdoor sensor, making it a robust choice for contractors managing complex HVAC configurations. It operates via 20 30Vac hardwire or battery power for