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and fuel gas
As an Open-High switch
vital for low-ambient cooling operations
What causes these modulating valves to fail prematurely
minimizing downtime caused by dirty or restricted sensors
Lochinvar & A.O. Smith 100278133 Pilot Assembly THPU32HP7Y and fuel gasThe 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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