eliminating the risk of mismatched impedance or connector pinouts

Multi-Fluid Versatility: Suitable for use in systems controlling secondary coolants like propylene glycol and ethylene glycol

Designed for 24V or 240V control circuits

Interchangeable Specs: Fully replaces the V47AB-4C

Also identified as the Honeywell S87C1014B

United Electric J21K-S150B Pressure Switch 322056-301 eliminating the risk of mismatchedThe 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