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Rosewood paper grain — description and returns beneath the overlapping buy card.
Engineered as a duct mounted high limit stat
features a 2-lead spade connector interface
preventing the short-cycling and control hunting often seen with single-point sensors
Failure is often attributed to a ruptured internal diaphragm
meaning it remains open when de-energized and closes only when power is applied to the solenoid
Watts 0121430 Valve 322838-752 Engineered as a duct mountedThe Watts 0121430, also identified as the LFLLL40XL 150, is a high capacity automatic reseating temperature and pressure relief valve designed specifically for commercial and large residential hot water supply tanks. Featuring a 3 4 inch NPT male inlet and female outlet, this lead free T&P valve is engineered for systems requiring a high ASME steam relief rating of up to 1,437,000 BTU hr at 150 psi. The extended shank design, measuring 3 21 32 inches,