Lochinvar & A.O. Smith 100109294 Pilot Assembly 319852-301 Common indicators include the system

Common indicators include the system failing to start the cooling/heating cycle

the unit is likely defective

OEM Precision: Direct replacement for the 031-09170-000

High-limit safeties are typically normally closed (L-rating) and should not be replaced with an F-rated fan switch

localized lubrication

Lochinvar & A.O. Smith 100109294 Pilot Assembly 319852-301 Common indicators include the systemThe Lochinvar & A. O. Smith 100109294 Pilot Assembly is a precise OEM replacement engineered for Flammable Vapor (FV) ignition systems. Designed for use in Propane (LP) residential water heaters, this 160 Degree Celsius rated assembly ensures critical thermal safety by maintaining the correct ignition sequence and flame rectification. As a high performance FV Pilot Assembly, it integrates a durable thermopile or thermocouple (depending on specific