United Electric J21K-16020 Pressure Switch 321142-301 The included ZG-108 universal mounting

The included ZG-108 universal mounting bracket features pre-drilled hole patterns

Are the terminals compatible with different wire types

Unlike a basic fixed orifice

By utilizing a factory-authorized Lochinvar 100163253 kit

This part is specifically designed for Trane systems with a 1/2-inch motor shaft

United Electric J21K-16020 Pressure Switch 321142-301 The included ZG-108 universal mountingThe 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