Lennox 74W72 Gas Manifold Freon it provides high-reliability SPDT switching

it provides high-reliability SPDT switching for 120

The A-port features the equal percentage characteristic

and ML195 series furnaces

ensuring precise thermal management and preventing frequent equipment short-cycling

Common Questions: When should the venturi gasket be replaced

Lennox 74W72 Gas Manifold Freon it provides high-reliability SPDT switchingThe White Rodgers 50A55 843 is a universal integrated furnace control board designed to streamline service calls by replacing a vast range of silicon carbide ignition modules from White Rodgers and various OEMs like Carrier, Goodman, Lennox, and Trane. This hot surface ignition (HSI) controller utilizes a microprocessor to provide constant monitoring of the gas burner, inducer motor, and fan cycles. It features a replaceable 5 amp automotive style