United Electric J21K-S150B Pressure Switch 326070-701 Its heavy-duty construction and balanced

Its heavy-duty construction and balanced impeller minimize vibration and mechanical wear during high-demand heating cycles

Each 8-inch bracket arm is engineered to dampen harmonic vibrations and prevent motor torque drift

Safety Logic Restoration: Resolves persistent furnace limit switch trips caused by mechanical fatigue or sensor drift

This on/off damper actuator features a universal cold-weld clamp that secures to shafts ranging from 1/2" to 1

United Electric J21K-S150B Pressure Switch 326070-701 Its heavy-duty construction and balancedThe 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