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The Ruud 47-102684-83 Defrost Control Board Kit is an OEM part made for Rheem HVAC systems. This board is essential for monitoring coil temperatures and airflow to identify ice formation. Once ice is detected, it starts a defrost cycle by switching the unit from heating to cooling mode, which directs hot gas to the outdoor coil. During this cycle, the condensing fan stops to speed up the melting process.
This control board is designed to enhance HVAC efficiency by preventing ice buildup, ensuring better performance and durability of the system.
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