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The 1/2-inch bore hub is secured via a standard set screw
maintaining original system engineering and safety protocols
Flexible Installation: Dual-mount design with a 1/2-inch NPT threaded hub and steady foot mount for various enclosure types
Is the SP20170B compatible with LP conversions
United Electric J21K-S150B Pressure Switch 321894-706 The 1/2-inch bore hub isThe 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
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