Durable 5-foot capillary tube supports optimal bulb positioning for sensitive thermal response

a DCL series with an activated alumina blend may be required

Corrosion Resistance: Internal pin and port materials are selected to resist erosion and common system contaminants

allowing you to bridge the gap between a standard electrical box and the thermostat’s proprietary mounting holes for a secure fit

What is the maximum differential pressure for quiet operation

York 331-02981-000 Control Board Kit R-410A Durable 5-foot capillary tube supportsThe York S1 331 02981 000 Control Board Kit is an essential OEM replacement component designed for 3 and 4 stage furnace operation and package unit control. This assembly serves as the direct supersede for the S1 031 02981 000 control board, ensuring seamless integration into existing York HVAC electrical systems without requiring extensive field modifications. Engineered for high demand residential and commercial applications, the board manages