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Lennox 15D57 Defrost Control Board with Sensor

Lennox

$213.95

In Stock

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SKU:
15D57
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Flat-rate shipping. The same price to anywhere in the 50 states.

Ships same or next business day · UPS Ground or comparable carrier, typically 1–5 business days.

Specifications

Product Type:
Defrost Control Board
Subcategory:
Heat Pump Defrost Control
Application:
Residential/Commercial
System Type:
Heat Pump
Installation Type:
OEM Replacement
Voltage:
24V
Voltage Class:
Low Voltage
Mounting Type:
Plug-In
Connection Type:
Quick-Connect
Control Type:
Non-Programmable
OEM defrost control board kit for Lennox heat pump systems with integrated demand defrost logic and 28W71 ambient sensor harness. Monitors outdoor coil temperature to prevent frost accumulation and optimize efficiency during low-ambient operation. Includes control board, sensor harness, control sticker, and installation instructions. Direct replacement for legacy Lennox, Allied, Armstrong, and other brand part numbers.