The 193810 features a 1/4" barbed connection and a normally open contact configuration that closes upon sensing the correct static pressure

50-inch bore size (hub diameter)

Broad Compatibility: Interchangeable with 97F9861HT and 8552-052

Application Versatility: Suitable for both split-system heat pumps and central air conditioning units using R-22 refrigerant

this cam extension provides the necessary mechanical linkage to bridge the interface between actuators and setpoint control mechanisms

Watts 0121430 Valve 326058-758 The 193810 features a 1/4"The 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,