Lochinvar & A.O. Smith 100110736 Pressure Switch 340155-7026 the Model 53 is field-upgradable

the Model 53 is field-upgradable with a No

5/16 inch shaft diameter

The sensor must be installed within the mixing tube to ensure the thermal element is exposed to a representative sample of the discharge air

this immersion heater represents a drop-in solution that restores factory-spec protection to the compressor crankcase

Engineered with a 1/2" NPT inlet and 1/2" NPT outlet

Lochinvar & A.O. Smith 100110736 Pressure Switch 340155-7026 the Model 53 is field-upgradableThe Lochinvar and A. O. Smith 100110736 Pressure Switch is a critical safety component designed for precise differential pressure monitoring in commercial water heaters and boilers. This blocked outlet switch is calibrated to detect internal venting obstructions, ensuring the combustion blower maintains sufficient airflow before allowing the ignition sequence to proceed. Engineered for high cycle reliability, the 100110736 prevents hazardous operation