this valve ensures optimal gas flow control and maintains system integrity by accurately responding to signals from the electronic control module

the VT3221 delivers consistent HVACR valve performance in demanding environments

Thermal Endurance: Optimized for high-temperature applications such as steam or hot water heating loops

typically up to 9

Enhanced Safety Logic: Precisely monitors air draft to prevent combustion cycles during venting failures or blocked flue conditions

York S1-031-00880-002 Control Board Els PW 17895 this valve ensures optimal gasThe York S1 031 00880 002 Control Board is a critical OEM replacement part engineered for high performance management of heating and cooling cycles in residential and commercial units. This microprocessor based furnace control board acts as the central logic system, coordinating ignition, blower motor timing, and safety circuit monitoring to ensure peak system efficiency. Designed for durability in demanding environments, the S1 031 00880 002 serves