This dual-function control manages both low pressure cut-out and high pressure safety limits within a single NEMA 1 enclosure

supporting maximum inlet pressures up to 125 PSI

or 1 1/2" flanges to fit various piping configurations

this field-serviceable kit integrates a modulating gas valve and advanced control logic to regulate thermal output based on real-time demand

reducing installation time and preventing copper kinking

Trane BRD6633 Control Board 323613-751 This dual-function control manages bothThe Trane BRD6633 Main Control Board is a critical OEM HVAC control board designed to manage complex logic for gas furnace and air handler systems. As the central processing hub, this Trane furnace motherboard regulates the sequencing of the inducer motor, blower motor, and gas valve while continuously monitoring safety circuits. Engineered for precise flame sensor current detection and pilot ignition timing, it ensures high efficiency combustion