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The kit contains the diaphragm
Tampering with the factory seal will void the safety certification and may compromise the integrity of the boiler system
allowing sensors to maintain accurate ambient temperature readings without thermal lag
which is critical for safety and reducing stress on the insulation
Engineering specifications indicate a power on run time of 55-71 seconds
Lochinvar & A.O. Smith 100278133 Pilot Assembly 318423-701 The kit contains the diaphragmThe 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
US$ 192.50
US$ 250.00