York S1-031-01971-000 Control Board 318172-701 This valve features a Maximum
Baker’s notes & crumb story
Description
York S1 031 01971 000 Control Board 318172 701 This valve features a Maximum This valve features a Maximum Operating Pressure Differential (MOPD) of 300 PSIG when used with standard AC coils Does this kit include everything needed for a field conversion