Lennox 60L03 Pressure Switch 318518-761 It is specifically engineered to

It is specifically engineered to bridge MK-66X1

the maximum allowable inlet pressure for the 243-RPC-B-2F is 60 psi

While the UAT-1C is an enclosed version

the 1720 series acts as a complete gas safety shutoff for both the pilot line and the main burner manifold

Lennox 60L03 Pressure Switch 318518-761 It is specifically engineered toThe Lennox 60L03 Pressure Switch is a critical safety component designed for precise combustion air monitoring in Lennox heat pumps and furnaces. This OEM Lennox part is factory set to a . 80" wc setpoint, ensuring the inducer motor establishes proper static pressure before allowing the ignition sequence to proceed. As a Single Pole Single Throw (SPST) normally open switch, it features a standard 1 4" barb connection for seamless integration with