Nortek Control Board, Defrost 920338

The Nortek 920338 Control Board receives temperature settings from the thermostat and then adjusts the HVAC system so that the unit can condition the air accordingly.

• Engineered for excellence, real OEM controls assist your unit in achieving peak performance and maximum efficiency
• Fits popular ET4BF-024KB, ET4BF-024KA, ET4BF-036KA units and more (see FITS MODELS below for complete list)
• Common Equipment Type(s): Heat Pump Parts
• Function: Defrost