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and a 300-degree fuse link provide all the necessary hardware for a secure
Oversized Outlet: The 1" FNPT discharge port reduces backpressure and ensures faster relief during activation
allowing for coil swaps without breaking the gas line or interrupting supply
Ensure the seating surface is clean of debris before securing the new diaphragm to maintain an airtight seal
Lochinvar & A.O. Smith 100108729 Pilot Freon and a 300-degree fuse linkThe Lochinvar & A. O. Smith 100108729 Pilot is a precision engineered LP pilot assembly (model PB 5S) designed specifically for liquid propane fired water heaters and boilers. As a genuine OEM replacement part, it ensures direct compatibility with A. O. Smith GCV, XCV, and Lochinvar residential units where a stable pilot flame is critical for safe ignition. This pilot burner assembly includes the requisite orifice calibrated for LP gas pressure, a