Lennox 15D57 Defrost Board Els PW 29614 and SC ranges
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Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
and SC ranges
As a critical component for Carlyle 06D compressor parts kits
protecting the internal electronics from humidity and cleaning spray
and 1311-104 zone valve bodies
The C501-7 utilizes ODF (Open Die Forging) sweat connections
Lennox 15D57 Defrost Board Els PW 29614 and SC rangesThe Lennox 15D57 Defrost Board is a high performance OEM defrost control kit specifically engineered for direct replacement in Lennox heat pump systems. As a veteran grade HVAC replacement part, this kit integrates a demand defrost control logic that actively monitors outdoor coil temperatures via the included 28W71 ambient sensor harness. This prevents excessive frost accumulation and optimizes system efficiency during low ambient operation. The