Lennox 12W53 Pressure Switch Els PW 17895 Facilitates a reliable transition from

Facilitates a reliable transition from 1/2" inverted flare to 1/2" copper sweat without additional bushings

this metallic non-fused switch is the standard choice for contractors requiring a durable

ensuring long-term reliability in commercial and residential gas-fired heating systems

the female mating connector is typically sold separately or salvaged from the existing wiring harness during replacement

Whether you are performing a furnace controls upgrade or replacing a damaged harness

Lennox 12W53 Pressure Switch Els PW 17895 Facilitates a reliable transition fromThe Lennox 12W53 Pressure Switch is a mission critical safety component engineered for HVAC draft verification in high efficiency gas furnaces. As an OEM Lennox replacement part, this switch is factory calibrated to actuate at 1. 52" WC (water column), ensuring the inducer motor maintains the precise static pressure required for safe combustion and proper venting. Designed with a durable SPST (Single Pole Single Throw) configuration, it prevents