Tyco Intertherm Miller Nordyne Relay 24 volt 660190 9400-13Q152 9400-13Q139

Tyco Intertherm Miller Nordyne Relay 24 volt 660190 9400-13Q152 9400-13Q139. The bottom two prongs are the 24 volt coil the top 2 prongs are for the Normally Open circuit the the middle two are for the Normally Closed Circuit. Relays are switches that open and close circuits electrically. Rheem Ruud Weather King 24v Furnace Relay 42-25104-03 This is a BRAND NEW-In-The-BOX COLEMAN/INTERTHERM Blower Motor Relay with a 24 volt coil! They are used in nearly all Mobile/Modular Home Electric Furnaces to control the Blower Motor. It has two completely independant circuits with a “Normally Open” set of contacts and a “Normally Closed” set of contacts. The bottom two prongs are the 24 volt coil the top 2 prongs are for the Normally Open circuit the the middle two are for the Normally Closed Circuit. They are rated “Heavy Duty” and can handle 10+ Amps. Thanks for looking Function: 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. Replaces Old Part #s: 42-25104-03