Lochinvar & A.O. Smith 100166229 Pressure Switch Els PW 17895 Enhanced Durability: The TEAO enclosure

Enhanced Durability: The TEAO enclosure and steel frame protect the windings from environmental contaminants in the airflow path

if installed within a NEMA-rated enclosure and using the appropriate conduit knockouts

this replacement thermopile ensures optimal millivoltage for gas valve actuation

the S1-024-19082-022 prevents hazardous electrical inrush and protects the primary circuit breaker from tripping during startup

Common Questions & Troubleshooting How do I verify if this switch is the cause of a '3-flash' error code

Lochinvar & A.O. Smith 100166229 Pressure Switch Els PW 17895 Enhanced Durability: The TEAO enclosureThe Lochinvar & A. O. Smith 100166229 Pressure Switch is a critical safety and operational component designed for high efficiency hydronic systems. This OEM replacement pressure switch is a Single Pole Double Throw (SPDT) device, factory calibrated to a 1. 25" WC (Water Column) set point. It serves as a direct cross reference for the discontinued PRS30009, ensuring seamless mechanical and electrical integration without the need for field