For technicians servicing EnergyRite ER residential units or large-scale CHN 1800 boilers

This specific range is critical for ensuring stable fuel delivery to commercial appliances and industrial burners that require higher manifold pressures than standard residential settings provide

featuring a 50°F opening temperature and a 40°F closing temperature

preventing steam loss and maintaining system efficiency

Lennox 82M33 Pressure Switch For technicians servicing EnergyRite ERThe Lennox 82M33 Pressure Switch is a critical safety component designed for precise combustion air monitoring in high efficiency furnaces and HVAC systems. As a Single Pole Single Throw (SPST) switch with a fixed setpoint of 1. 25" WC (Water Column), it ensures the inducer motor is moving sufficient air before the ignition sequence begins. This OEM Lennox replacement part features dual 1 4" barb connections, allowing for straightforward integration