York S1-4293-00 Valve 322838-754 120V Line Voltage Control: Specifically
Baker’s notes & crumb story
Description
York S1 4293 00 Valve 322838 754 120V Line Voltage Control: Specifically 120V Line Voltage Control: Specifically designed for older standing pilot systems typically requiring only correct DIP switch settings or jumper configurations as per the boiler wiring diagram