the RV48 series stands out for its multi-positional mounting capability and its suitability for diverse gas types

If the reading is below 20 mV under load

preventing steam loss and maintaining system efficiency

The 'C' terminal acts as the common connection for both

Lennox 82M33 Pressure Switch the RV48 series stands outThe 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