Amana-Goodman PCBFM103S Fan Relay Control Board

The Amana-Goodman PCBFM103S Fan Relay Board is an essential part of most residential HVAC systems especially in some of the Goodman and Amana furnaces. It works as an electronic relay, turning on or off the blower motor of the furnace which distributes warm or cool air in the house. A relay is an electrically controlled switch. When the furnace gets a signal that the thermostat has called for heat, This signal then turns On the relay energizing the circuit which powers up the blower motor.