you ensure full aquastat compatibility and prevent the diagnostic "Sensor Fault" or "Open Sensor" error codes common with aged or drifting secondary-market thermistors

Built for the rigors of high-demand industrial and commercial gas-fired heating

Fixed Thermal Calibration: Factory-set at 125°F for consistent

the relay drops out

Lennox 56L32 Pressure Switch Els PW 17895 you ensure full aquastat compatibilityThe Lennox 56L32 Pressure Switch is a critical safety component specifically engineered for high altitude HVAC applications, typically ranging from 4,501 to 10,000 feet. This genuine OEM replacement part features a Single Pole Single Throw (SPST) configuration with a fixed set point of . 36" WC (Water Column). Designed to monitor the pressure differential within the combustion chamber, this switch ensures the inducer motor is creating sufficient