Watts 0780322 Stem Assembly 321042-401 this 1 1/4" NPT solenoid

this 1 1/4" NPT solenoid valve utilizes a pilot operated mechanism to manage pressure ranges from 5 to 150 PSI

effectively preventing evaporator coil icing and protecting the compressor from liquid slugging

Its construction includes a corrosion-resistant Monel bellows and high-temperature snap-action switches

Durable Construction: Built for continuous duty with a dust-resistant cover to maintain contact integrity over time

the prefilter should be inspected and cleaned every 1 to 2 months

Watts 0780322 Stem Assembly 321042-401 this 1 1/4" NPT solenoidThe Watts 0780322 Stem Assembly (also identified by the legacy part number 11 12) is a heavy duty 12 inch brass threaded stem engineered for precise performance in high capacity float valve systems. Designed for demanding applications across commercial, industrial, and agricultural sectors, this 1 4" OD rod ensures reliable fluid level management. The assembly features 1 4 20 NPT threaded ends on both sides, making it a drop in replacement for worn or