This board is compatible with Carrier, Payne, and Bryant furnace models, specifically designed for units requiring a 115V or 24VAC power source. It functions as an OEM component that manages the furnace’s ignition sequence, gas valve operation, and flame sensing to ensure safety. Designed for both liquid propane (LP) and natural gas Operates on 24V for control signals, with some components rated for up to 460 VAC as indicated on the board.