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When replacing a restricted or failing valve
this industrial solenoid valve offers the durability needed for demanding environments
reducing the risk of carbon monoxide backup
Tampering with the factory seal will void the safety certification and may compromise the integrity of the boiler system
Lochinvar & A.O. Smith 100278133 Pilot Assembly 318423-701 When replacing a restricted orThe Lochinvar & A. O. Smith 100278133 Pilot Assembly is a critical combustion component for maintaining reliable ignition and flame sensing in high efficiency commercial and residential water heaters. As a factory authorized OEM heating part, the 100278133 ensures precise gas flow and millivolt output, securing the burner cycle against intermittent dropouts. This specific assembly serves as the updated, direct replacement for 100165902, featuring
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