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Field Recalibratable: Removable lens provides direct access to the adjustment screw for ongoing calibration
this motor provides a 30/53 second nominal timing to maintain steady system response
covering temperature ranges of -10 to 124°F and 110 to 244°F
They are designed for main burner and pilot load applications but should not be used as a line pressure regulator for appliances with electronic ignition unless the control valve can open against line pressure
an open switch is caused by a blocked vent pipe
Carrier HK37AA102 Circuit Board 320735-701 Field Recalibratable: Removable lens providesThe Carrier HK37AA102 Circuit Board is a critical OEM replacement part designed for precision control in residential heating and cooling systems. As a direct fit HVAC furnace control board, it manages essential electrical functions including the blower motor relay, inducer motor, and hot surface igniter timing. This original equipment manufacturer component is engineered specifically for Carrier, Bryant, and Payne equipment, ensuring direct
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