Description
The S1‑331‑01975‑102 is a genuine OEM defrost control board kit from York, designed to manage and automate the defrost cycles of heat‑pump HVAC systems. It’s built to monitor temperature and compressor operation — kicking in defrost as needed to prevent frost build‑up on your outdoor coil.
Key Features
- OEM‑grade Defrost Control — Factory‑spec part engineered for York heat pumps and compatible systems, ensuring proper fit and full functionality.
- Automatic Defrost Management — Automatically monitors outside coil conditions and triggers defrost cycles only when needed, helping prevent excessive frost buildup and maintaining optimal heat‑pump efficiency.
- Improves System Reliability — Prevents frost-related issues that can lead to compressor strain or failure; helps maintain continuous heating performance during cold weather.
- Easy OEM Replacement — Sold as a kit to replace older or failing control boards (some vendors note “discontinued” but still carry the part as S1‑331‑01975‑102) — installation follows standard HVAC service procedures.
- Broad Compatibility — Works with many York, Luxaire, and Coleman heat‑pump models that use this defrost control scheme.
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