Whether you are servicing a 30A3 or a 175J8 model

The Amana-Goodman DFBK01 Defrost Control Board is a direct OEM replacement component designed to regulate the defrost cycle in residential and light commercial heat pump systems

Constructed with a high-grade aluminum body and resilient NBR seals

Broad Compatibility: Rated for use with HCFC

and flame sensing circuits

Rheem-Ruud 47-17719-01 Defrost Control Freon Whether you are servicing aIf you are battling iced up coils or mid winter compressor short cycling, the Rheem Ruud 47 17719 01 Defrost Control is the specific 230V mechanical time temperature replacement required for heritage Rheem and Ruud heat pump units. This board eliminates guesswork by integrating multiple selectable defrost intervals, allowing you to field tune the system to 30, 45, or 90 minute cycles based on local humidity and load conditions. Designed for absolute