This board is designed for 24V AC control circuits and provides seamless compatibility with a broad range of Heil Quaker furnace parts

quick connects and angle bracket mounting speed up installation time

eliminating the need for field recalibration during refrigerant transitions

it features a selectable differential of 1°F to 30°F

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

Lochinvar & A.O. Smith 100093870 Door Assembly 321142-301 This board is designed forThe 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