Also identified as the Honeywell S87C1014B

eliminating the risk of mismatched impedance or connector pinouts

the factory default is typically 203 for addressable units

it provides reliable proportional modulation for hot water

Built as a direct replacement for the Bunn 12915

United Electric J21K-S150B Pressure Switch 322056-301 Also identified as the HoneywellThe 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