Choose size on the parchment sheet — price & checkout stay in the sticky loom dock.
Ships within 48 hours · Estimated delivery Sep 24 - Sep 29
The hardware is rated for a design working pressure of 450 psi for standard refrigerants
it maintains reliable performance across a broad pressure range of 0-150 PSI
This pilot-operated valve requires a minimum pressure drop for stable operation
Technicians typically observe high superheat readings paired with low suction pressure
allowing it to function effectively in gravity-fed or low-pressure suction environments
York S1-031-03498-001 Control Board 320720-756 The hardware is rated forThe York S1 031 03498 001 Demand Defrost Control Board is a critical OEM replacement part engineered for high efficiency 14 SEER heat pump systems. As a veteran grade HVAC control board, it is the direct factory successor to the S1 031 03877 000, ensuring seamless integration with York TH4 series units, including models TH4B3622SA, TH4B4822SA, and TH4B6022SA. Unlike standard time temperature defrost boards, this demand defrost module utilizes advanced
Pay in 4 interest-free payments of $42.50 Learn more