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and Honeywell P431X-1092
spring return
Is the 049485 compatible with all BTAS series shells
it should be integrated into a system with a primary thermostat
Can this unit replace a single-phase compressor
Lennox 78H11 Thermostat 319852-301 and Honeywell P431X-1092As 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
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