Resideo S8701A1066 Ignition Module 340793-762 If the furnace control board

If the furnace control board indicates a pressure switch failure

this OEM replacement part (also referenced as CNT04821) ensures that your blower or heating elements do not reach critical combustion levels

Featuring a 5/16" bore size

providing a direct transfer of power to the blower wheel

or knockout mounting

Resideo S8701A1066 Ignition Module 340793-762 If the furnace control boardResideo S8701A1066 is a direct spark ignition (DSI) module with a 6 second trial for ignition and lockout feature, designed for gas fired HVAC equipment such as furnaces, boilers, and rooftop units. It controls burner startup by delivering spark ignition and verifying flame presence to ensure safe and controlled combustion. This module is commonly used as a replacement when existing ignition controls fail, experience intermittent ignition, or no