Rheem-Ruud 47-17719-01 Defrost Control Refrigerant Technicians should inspect existing flue

Technicians should inspect existing flue gaskets and seals

it is best practice to ohm out your current thermistor to ensure the entire defrost circuit is functioning within spec

the material selection in this OEM gasket kit is specifically rated for compatibility with the lubricants and refrigerants typically found in York high-capacity systems

engineered to open at 170°F and automatically reset when temperatures drop to 130°F

a factory-approved overpressure protection device (OPD) is mandatory to meet ANSI Z21

Rheem-Ruud 47-17719-01 Defrost Control Refrigerant Technicians should inspect existing flueIf 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