featuring zero off-state leakage and isolation up to 1

and Miller gas-fired equipment

preventing compressor overheating and extending the lifecycle of the outdoor unit

it is designed to provide the primary components needed to replace the isolation valves on the compressor head

Nordyne 920806 Control Board 320788-703 featuring zero off-state leakage andThe Nordyne 920806 Defrost Control Board is a direct OEM replacement component engineered for high efficiency heat pump systems. Designed to manage the defrost cycle by monitoring ambient temperature and coil thermistor resistance, this board ensures optimal heat exchange during low temperature operation. It features integrated timing logic to prevent excessive frost buildup on the outdoor coil, protecting the compressor from liquid slugging and