Lennox 15D57 – Defrost Control Board Kit (Model 614943-02)

The Lennox 15D57 is an original equipment manufacturer (OEM) defrost control board engineered to maintain peak performance in Lennox heat pump systems. This board precisely manages the defrost cycle to prevent frost accumulation on outdoor coils, helping maintain efficient heating and cooling operation in varying weather conditions.

Key Specifications:

• Catalog Number: 15D57

• Model Number: 614943-02

• Product Type: Defrost Control Board

• Replaces: Lennox 100135-05 (Catalog #42W04)

• Weight: 0.9 lbs

• UPC: 66255150790

Performance Features:

• Smart Defrost Control: Actively monitors system performance to initiate timely defrost cycles, reducing strain on components and ensuring consistent comfort.

• System Compatibility: Designed to integrate seamlessly with a wide range of Lennox heat pump units.

• OEM Quality: Built to Lennox’s strict manufacturing standards for long-term durability and dependable service.

• Simple Installation: Plug-and-play compatibility allows for quick replacement during maintenance or system upgrades.

Ideal for HVAC technicians and contractors, the Lennox 15D57 is a reliable solution to ensure uninterrupted operation and efficiency in heat pump systems year-round.