This is a new Furnace Blower Relay with a 24 volt coil. It is designed to replace York/Coleman/Luxaire part #s 024-24066-700 024-24066-000 & 024-22588-000. This relay has five spades (wiring terminals). It is a heavy duty relay rated for up to 18 Amps.
Relays are switches that open and close circuits electrically. In most HVAC equipment a low voltage coil relay (24 vac) is energized in order to open or close a higher voltage (usually 120-240) circuit.
024-24066-700 024-24066-000 024-22588-000