Flexible Installation: The Nichrome coil can be stretched from 27

Installing a switch with a different thermal profile can lead to nuisance tripping or dangerous overheating

This OEM replacement kit ensures precise flame rectification and reliable ignition in systems requiring a 131457H9 configuration

25-inch shaft diameter

we recommend contacting our support team to verify the specific hardware included in the current manufacturer packaging

Lochinvar & A.O. Smith 100109259 Valve 318820-201 Flexible Installation: The Nichrome coilAs an HVAC industry standard, the Lochinvar & A. O. Smith 100109259 Valve is a critical safety component designed for high performance water heating systems. This 3 4" T&P Valve is engineered to protect residential and commercial boilers by managing both thermal expansion and internal pressure. With a factory set 150 PSI pressure relief and a 210F temperature relief threshold, this valve ensures fail safe operation when system variables exceed safe