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this is an internal repair kit
If the board receives a signal but fails to close the relay to the blower
For the best results
replacing with a genuine Nordyne heat pump valve is the professional standard for restoring factory-spec performance and stabilizing discharge pressures
Danfoss 193B-1606 Control R-410A this is an internal repairThe Danfoss 193B 1606 ARA639 is a high precision proportional motor actuator designed for professional HVACR applications requiring exacting control over rotary mixing valves within the DN 15 50 range. Operating on a 24V AC DC supply voltage, this unit is engineered for versatile integration, supporting 0.. 10V, 2.. 10V, 0.. 20mA, and 4.. 20mA control signals. A critical advantage for field technicians is the selectable running time, offering 90
