United Electric J21K-S150B Pressure Switch 321894-706 Provides reliable temperature and operation
Baker’s notes & crumb story
Description
Provides reliable temperature and operation control
maintaining original system engineering and safety protocols
The 1/2-inch bore hub is secured via a standard set screw
It allows the gauge to be installed in a 1/2" NPT port
United Electric J21K-S150B Pressure Switch 321894-706 Provides reliable temperature and operationThe United Electric J21K S150B Pressure Switch is an industrial grade differential control designed for precision monitoring in HVAC R and process systems. Engineered with welded 316L stainless steel bellows, this model provides high sensitivity detection for filter status monitoring, proof of flow, and chiller protection. The J21K S150B features a field adjustable range of 0 to 40 PSID, allowing technicians to fine tune setpoints via an internal red