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Since this is a normally closed switch
24 inches water column for exact safety compliance with original equipment manufacturer specifications
Standard for this 6-pole 2nd speed motor
non-spring return industrial actuator designed for precise control of ball and butterfly valves in demanding HVACR applications
It provides the central control board with precise thermistor data from the lower section of the tank to manage thermal stacking and prevent high-limit tripping
Carrier HK42FZ064 Control Board 323613-751 Since this is a normallyReplace a failing or shorted furnace control with the Carrier HK42FZ064 Control Board, the definitive OEM replacement for maintaining communication between your thermostat, inducer motor, and blower. As a veteran grade HVAC furnace control board, this unit is engineered to manage critical furnace ignition sequences and safety protocols, specifically resolving furnace error codes such as 1 3 (Limit circuit lockout) or 3 4 (Ignition proving failure).