It is critical to match the control voltage of your thermostat or BAS controller to the actuator

preventing nuisance lockouts and HVAC system short cycling

and specialized environmental chambers where R12 charge requirements and medium-temperature precision are critical

Installation is streamlined via extended copper connections designed for 3/8" ODF sweat fittings

Corrosion Resistance: 304 Stainless steel construction prevents oxidation and degradation in aggressive media environments

McDonnell & Miller 349400 Black Y Assembly Els PW 17895 It is critical to matchThe McDonnell & Miller 349400 Black Y Assembly (Model SA159 17) is a critical replacement component for low water cut off systems and mechanical water feeders. This assembly is engineered to integrate seamlessly with Series 47 and Series 47 2 water feeders, as well as Model 64 A and Model 42S A controls. As a primary part of the MA 159 and MA 259 quick hook up fittings, it enables technicians to perform direct installations into gauge glass tappings