United Electric J21K-16020 Pressure Switch 318973-401 This item typically consists of

This item typically consists of the panel itself

reducing callbacks related to switch failure

Versatile Application: Reliable pilot-operated design functions across a wide 0 to 150 PSI pressure differential

000 BTU/hr maximum total load

United Electric J21K-16020 Pressure Switch 318973-401 This item typically consists ofThe United Electric J21K 16020 is a heavy duty differential pressure switch designed for critical monitoring in industrial HVACR systems, chillers, and compressor circuits. Featuring an adjustable setpoint range of 1 to 15 PSID, this unit utilizes an opposing sealed metal bellows design to detect precise pressure deviations between two points. This mechanical accuracy is essential for filter status monitoring and verifying proof of flow in hydronic or