York Parts S1-33101975102 Heat Pump Defrost Control Board

The York S1-33101975102 Heat Pump Defrost Control Board is a reliable replacement part designed to restore proper defrost cycles in compatible York heat pumps. This defrost control board, sold as part of the Cntrldefrost Boardkit, helps maintain efficient operation and dependable heating performance.

Engineered for straightforward installation, it supports ongoing HVAC maintenance and minimizes downtime. Perfect for anyone sourcing York parts and looking for a cost-effective heat pump repair solution, this board helps keep your system running through seasonal shifts with confidence.

• Model compatibility: S1-33101975102 and related York systems
• Includes: Cntrldefrost Boardkit bundle
• Reliability: Durable electronics designed for long-term defrost control
• Ease of install: Designed for quick replacement with minimal tools
• Performance: Maintains efficient defrost cycles and steady heat output