McDonnell & Miller 349400 Black Y Assembly Els PW 17895 If your client's unit is

If your client's unit is running hot or triggering the limit switch

the PTC heater or internal contacts have likely failed and require replacement

By utilizing an infrared LED and photo-diode arrangement

Optimized Pressure Control: Prevents catastrophic failure by relieving excessive pressure at a dedicated 30 PSI setting

This unit is the direct replacement for the Honeywell 14004904-001/U

McDonnell & Miller 349400 Black Y Assembly Els PW 17895 If your client's unit isThe 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