A fouled or oxidized sensor is a common cause of short-cycling or water heater ignition failure

combination starters

quick connects and angle bracket mounting speed up installation time

If the inducer continues to run indefinitely after the heating cycle ends

Common Questions Is the Trane WHL0496 a direct replacement for discontinued models

Lochinvar & A.O. Smith 100093870 Door Assembly 321142-301 A fouled or oxidized sensorThe Lochinvar & A. O. Smith 100093870 Door Assembly is a critical replacement manifold door assembly designed for residential gas water heaters featuring the flammable vapor ignition resistant (FVIR) system. This genuine OEM component maintains the combustion chamber seal, ensuring the pilot assembly and burner tube interface correctly with the burner chamber to prevent backdrafting and inefficient combustion. Built for high heat resilience, the