including the Robertshaw 1950-001 and the ITT 101934F32

this 30-inch thermocouple should produce between 25 and 30 millivolts

while a lower limit will cause short cycling and premature wear on the inducer and gas valve

this is a valve body rebuild kit for internal components only

York S1-3948-3051 Service Valve Els PW 17895 including the Robertshaw 1950-001 andThe York S1 3948 3051 Suction Line Service Valve is a critical OEM replacement part designed for field technicians maintaining York commercial and residential HVAC systems. This service valve facilitates the isolation of the suction line during system evacuation, charging, or refrigerant recovery, ensuring localized maintenance without discharging the entire system charge. Engineered for refrigerant flow control, the S1 3948 3051 is compatible with a