Lochinvar & A.O. Smith 100110820 Pressure Switch Els PW 29614 this heavy-duty rubber O-ring features

this heavy-duty rubber O-ring features an approximate 24-inch outer diameter

Durable Construction: Built to withstand the rigors of industrial mechanical rooms

reducing energy costs and optimizing tool performance

Built to withstand operational temperatures ranging from -40°C to 85°C

Lochinvar & A.O. Smith 100110820 Pressure Switch Els PW 29614 this heavy-duty rubber O-ring featuresThe Lochinvar & A. O. Smith 100110820 Pressure Switch is a critical safety component designed for high efficiency gas fired boiler and water heater systems. This 1. 42" air pressure switch (1. 42 in. WC) functions as a differential pressure switch, ensuring the combustion blower is generating sufficient airflow before allowing the ignition sequence to proceed. As a veteran technician knows, a failing HVAC pressure switch often results in a "no heat"