Lennox 78H11 Thermostat 319852-301 Can this unit replace a

Can this unit replace a single-phase compressor

spring return

and UDAS series

and Honeywell P431X-1092

Will this sensor resolve a Carrier Error Code 34 lockout

Lennox 78H11 Thermostat 319852-301 Can this unit replace aAs 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