Broad Application: Field-tested for use in SHIELD (SNR126

It features a 1/2" bore on the intake side with a secure set-screw attachment

making it suitable for both fuel types

providing an essential line of defense for commercial air handlers and rooftop units

The high-limit function requires a manual reset after a trip to ensure the system is inspected for safety before resuming operation

Schneider Electric (Barber Colman) ETI500-4 Temperature Sensor 322838-754 Broad Application: Field-tested for useThe Schneider Electric ETI500 4 is a precision 4 inch immersion temperature sensor designed for accurate fluid monitoring in heavy duty HVACR hydronic systems. Engineered with a 10K Ohm thermistor, this sensor provides stable resistance to temperature curves essential for BAS (Building Automation Systems) and DDC (Direct Digital Control) integration. The 4 inch probe depth ensures optimal thermal contact within the medium, minimizing stratification