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This unit is a direct mechanical thermostat replacement for legacy systems
Common Questions Is a hard start kit required with this TXV
Durable Construction: Engineered to resist diaphragm fatigue caused by moisture and flue gas temperature fluctuations
Standard Compliance: UL
though a dedicated Catch-All is often preferred if bi-directional flow is not required
Lochinvar & A.O. Smith 100109253 Pilot Assembly 322838-754 This unit is a directThe Lochinvar & A. O. Smith 100109253 Pilot Assembly is a critical OEM replacement component designed specifically for flammable vapor ignition resistant (FVIR) residential water heaters. As a veteran grade 170 degree LP pilot kit, this assembly is engineered for liquid propane applications, ensuring precise flame rectification and reliable ignition sequences. It serves as the direct replacement for A. O. Smith 100109253 and Lochinvar 9003472005,
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