This part is primarily found in York Millennium and MaxE centrifugal chillers

Plug-and-Play Wiring: Uses a standard heater circuit plug for rapid field installation and secure electrical connection

Common Questions What is the purpose of the OPD on this Maxitrol regulator

whereas a 2-pole unit only breaks two lines

and oxides that can lead to compressor failure or thermal expansion valve (TXV) plugging

Watts 0274427 Valve 319848-301 This part is primarily foundThe Watts Series 174A (Ordering Code 0274427) is a high capacity boiler pressure relief valve designed specifically for hot water heating boilers and water supply heaters. This 3 4 inch NPT female inlet outlet valve is engineered with a bronze body and a non metallic disc to metal seat, ensuring consistent performance in high temperature hydronic systems. With a factory set 35 PSI pressure relief and a high steam discharge capacity of 725,000 BTU Hr,