Lochinvar & A.O. Smith 100111317 Pressure Switch 319848-301 making it an ideal choice

making it an ideal choice for commercial and industrial combustion systems

provided the horsepower (3/4 HP)

optimized for air conditioning and general cooling applications

the included packing cartridge and repack kit are specifically designed to reseal the valve stem and stop external fluid loss

this solid-state timer provides the precise electrical switching required to maintain system integrity

Lochinvar & A.O. Smith 100111317 Pressure Switch 319848-301 making it an ideal choiceThe Lochinvar & A. O. Smith 100111317 Pressure Switch is a critical OEM safety component engineered for precise airflow verification in high efficiency water heaters and boilers. This normally open air pressure switch is calibrated to a fixed set point of 0. 20" WC (Water Column), ensuring the combustion blower is generating sufficient negative pressure before the ignition sequence initiates. As a genuine 100111317 replacement part, it provides the