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The Armstrong Furnace R46257-001 Defrost Board is a critical replacement control module engineered for heat pump systems requiring precise defrost cycle termination and initiation
Which HVAC models are compatible with this housing plate
Can this fixed pulley replace an adjustable sheave
Broad Compatibility: Supersedes multiple older part numbers including LH33ZS001A and 332505-751
Maxitrol TS10765B Sensor Els PW 17895 The Armstrong Furnace R46257-001 DefrostThe Maxitrol TS10765B is a high precision 5: 1 ratio inlet air reset sensor designed specifically for integration with a mixing tube in high performance gas modulation systems. As a critical component for Maxitrol Selectra Series 14, 21, and 31 electronic gas flame modulation, this sensor facilitates an inverse relationship between inlet air temperature and discharge air temperature. By sensing fluctuations in the intake air duct, the TS10765B sensor
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