Description
This is a Brand New 20-23 KW Heat Sequensor for an electric furnace. It is used to stage the heating elements on one at a time so that there is no drain on the electric. It has a 24 volt coil and is good for up to 4 heating elements. Replaces Intertherm/Nordyne/Miller Part # 621679. Thanks for looking and good luck!
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:
621679
Repair Difficulty Level:
Partial List of Units that Use This Item:
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