Lennox 78H11 Thermostat 324846-701 preventing repeated cycling under unsafe

preventing repeated cycling under unsafe conditions

this 18-inch condenser fan blade features a 32-degree pitch and a counterclockwise (CCW) rotation

Proposition 65 Warning: Yes

This HVAC blower motor with housing features a multi-speed motor designed to deliver precise CFM output required for consistent airflow across the heat exchanger

Lennox 78H11 Thermostat 324846-701 preventing repeated cycling under unsafeAs a seasoned technician, you know that a frozen outdoor coil is a quick way to kill system efficiency and stress the compressor. The Lennox 78H11 is a critical heat pump defrost thermostat (L70 35F) designed specifically to regulate the defrost cycle in Lennox heat pump applications. This OEM Lennox replacement part features a fixed temperature range, initiating the defrost sequence when the liquid line or coil temperature drops to 35F and