the gasket should be inspected for visible compression

Industrial Strength: Built to withstand the high-temperature environment found within modern heat exchanger cabinets

Common Questions: What boilers use the 560-528-989 orifice

The 22-133 is identical to MCS-G

Watts 1053017 Knob the gasket should be inspectedAs a veteran HVACR technician, you know that maintaining precise temperature control starts with reliable hardware. The Watts 1053017 Replacement Knob is the specific OEM component required for the mechanical adjustment of Watts 70A and 70A54P CAP series tempering valves. Designed for hot water extender applications, this black control knob provides the necessary leverage and indexing for accurate mixing valve calibration in both residential and