Watts 0066123 Valve 340155-7026 and Luxaire are all brands

and Luxaire are all brands under Johnson Controls (JCI)

Common Questions What is the maximum operating pressure for this valve

this guard prevents premature sensor failure due to corrosion or liquid ingress

the 027764 includes an angled flange kit to streamline installation in tight mechanical spaces where direct access is constrained

Watts 0066123 Valve 340155-7026 and Luxaire are all brandsAs a seasoned technician, you know that consistent pressure management is the only way to prevent tank fatigue and catastrophic failure. The Watts 0066123 Valve (Model 100XL 8) is a field proven temperature and pressure relief valve designed for heavy duty hot water storage tanks and commercial heaters. This 3 4 inch T&P valve is engineered with a brass body and a stainless steel spring to handle rigorous cycles without binding. The standout feature