The York S1-331-02957-000 Defrost Control Board Kit is a genuine OEM replacement component engineered specifically for compatible York heat pump systems. Designed to restore and maintain proper defrost cycle operation, this kit helps protect your heat pump from ice buildup and ensures consistent, efficient heating performance throughout the cold-weather season.
Product Overview
The defrost control board monitors outdoor coil conditions and initiates timed defrost cycles to prevent frost and ice accumulation on the heat pump’s outdoor unit. A failed or malfunctioning defrost board can result in reduced efficiency, coil damage, or complete system shutdown — making timely replacement critical to system longevity.
Key Features
- Genuine York OEM defrost control board kit
- Direct replacement for compatible York heat pump models
- Controls automatic defrost cycle initiation and termination
- Helps prevent ice buildup on outdoor coil for optimal heat pump efficiency
- Kit format includes necessary components for a complete installation
- Engineered to York factory specifications for reliable, long-term performance
Application
- Compatible with select York residential and light commercial heat pump systems
- Intended as a direct OEM replacement part
- Recommended installation by a qualified HVAC technician
Why Choose OEM York Parts?
Using genuine York replacement components ensures compatibility, maintains manufacturer warranty compliance, and delivers the performance reliability your system was designed to provide. The S1-331-02957-000 kit eliminates the guesswork of aftermarket substitutions and supports a straightforward, confident repair.
