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

the Model 53 is field-upgradable with a No

Common signs include frost on the evaporator coil

5/16 inch shaft diameter

and 650122A

Broad Compatibility: This Erie VT2222 valve body is designed for two-way zone valve configurations

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