Defrost control, goodman b1226008, icm w1001-4
Grid is 1 inch square
ICM318C ICM Heat Pump Defrost Control Board

ICM318C ICM Heat Pump Defrost Control Board

Genuine OEM Part # ICM318CAlternative Part Number(s)
Defrost control, goodman b1226008, icm w1001-4
Grid is 1 inch square
ICM318C ICM Heat Pump Defrost Control Board
$96.76
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Defrost control, goodman b1226008, icm w1001-4
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$96.76
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This part ICM318C is compatible with:

Product Type:
Heat Pump
Frequently Bought with Defrost Control Board
W10124096 Condenser Fan Motor

Defrost Control Board Customer Reviews

Common Problems Fixed by the Defrost Control Board

Based on customer reports and repair data, this part commonly fixes these issues:

Possible

Heat pump not heating

Possible

Heat pump coils frosting up

About the Defrost Control Board

As the outdoor temperatures get colder, the outdoor coils can start to freeze up more often. When the coils frost up, a defrost control board or thermostat will energize a reversing valve to divert the warmer refrigerant from the indoor coil to help melt the excess frost from the outdoor coil. If the defrost control board is defective, the frost on the outdoor coils may be unable to melt. Before replacing the defrost control board, first confirm the reversing valve and defrost thermostat are functioning. If the reversing valve and defrost thermostat are working properly, the defrost control board is likely defective.

Alternative Part Number(s)

Replaces Part Number S1-ICM318
Replaces Part Number ICM318