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the 800120 and SF-489-T are identical units
While Maxitrol 325 series bodies can handle LP
Check for crack in the vacuum tubing or blockages in the flue before replacing the switch
Enhanced Pressure Range: Extends the regulator’s capabilities to a 20-42" WC discharge range
contractors can facilitate linkage operation for flat installation on dampers where the shaft is otherwise inaccessible
Trane CNT4364 Control Board Els PW 17895 the 800120 and SF-489-T areThe Trane CNT4364 Defrost Control Board serves as a critical OEM replacement component for high performance heat pump and packaged HVAC systems. This HVAC control module is engineered to monitor 24V AC signals and environmental conditions, managing the cycle between heating and defrost modes to prevent excessive ice accumulation on the outdoor coil. As the direct replacement for the legacy CNT2935 defrost board, the CNT4364 brings enhanced logic for
