United Electric J21K-150 Pressure Switch 321894-708 providing whisper-quiet operation in noise-sensitive

providing whisper-quiet operation in noise-sensitive residential and commercial environments like bedrooms or offices

simplifying commissioning

this kit is the direct replacement for VG7000-6004 (previously sold as 10-packs) and provides a single

While it fits many HVAC units

this OEM circulation pump prevents uneven heat distribution and localized "hot patches" by ensuring continuous fluid movement through the secondary loop

United Electric J21K-150 Pressure Switch 321894-708 providing whisper-quiet operation in noise-sensitiveThe United Electric J21K 150 is a rugged, NEMA 4 differential pressure switch engineered for precision monitoring in demanding HVACR and industrial process environments. This unit features an adjustable differential pressure range of 0 to 40 PSID, utilizing a high sensitivity opposing metal bellows design to detect pressure variances between two sources. The SPDT snap action switch output provides versatile control logic, rated for 15A at 125 250 480