Lennox 60L03 Pressure Switch 318518-761 ensuring no modifications to the

ensuring no modifications to the motor shaft or mounting depth are required

providing an ultra-fast response to changes in relative humidity

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

It is specifically engineered to bridge MK-66X1

This automatic reset limit switch ensures continuous equipment uptime for professional HVAC maintenance workflows without requiring manual intervention

Lennox 60L03 Pressure Switch 318518-761 ensuring no modifications to theThe 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