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Optimized Recovery: The 4500W output provides a high BTU-per-hour transfer rate
as well as selected models from Armstrong
4kW applications
Precise Flow Control: The 1/32" orifice is optimized for applications requiring exact dosing or high-pressure pilot control
the A28AA-20 is the designated replacement
York S1-331-03742-000 Board Kit 320720-756 Optimized Recovery: The 4500W outputThe York S1 331 03742 000 Board Kit is a critical OEM replacement control board designed specifically for the outdoor units of York, Luxaire, and Coleman HVAC systems. For a technician on a service call, this kit provides a direct drop in solution to restore high side communication and system logic. This outdoor control board features integrated EEV control (Electronic Expansion Valve), ensuring precise refrigerant metering and optimal superheat
US$ 93.81
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