Lennox 57M67 Pressure Switch verify that your circuit's total

verify that your circuit's total volt-ampere draw does not exceed this rating to prevent overheating

its robust construction is designed to handle the static pressure typical of commercial VAV box and multi-zone air distribution systems

used to prevent overheating

This pilot safety sensor is engineered to generate the necessary voltage to hold the gas valve solenoid open under standard operating temperatures

Clear Calibration: Provided with high-visibility 60-90 degree inserts to ensure setpoint accuracy for facility operators

Lennox 57M67 Pressure Switch verify that your circuit's totalThe Lennox 57M67 Pressure Switch is a high precision OEM component engineered for critical safety monitoring in gas fired furnaces and HVAC systems. As a veteran technician knows, maintaining the correct pressure threshold is vital for inducer motor verification and combustion safety. This SPST pressure switch is factory calibrated to actuate at 1. 71" WC (water column), ensuring that the exhaust blower is moving sufficient air before the ignition