Schneider Electric (Barber Colman) ETR503 Temperature Sensor Manual Reset Design: Ensures a

Manual Reset Design: Ensures a technician inspects the system for airflow or venting issues before restarting

The Schneider Electric 22-021 Mounting Kit (formerly Barber Colman) is a heavy-duty universal wall mounting kit engineered for securing pneumatic thermostats and legacy HVAC controllers in commercial environments

charred terminals

allowing technicians to manage multiple HVAC security covers across a facility using a single key

and blue (8-13 psig)—to accommodate various control signal requirements and ensure proper valve close-off across direct-acting or reverse-acting configurations

Schneider Electric (Barber Colman) ETR503 Temperature Sensor Manual Reset Design: Ensures aThe Schneider Electric (Barber Colman) ETR503 Temperature Sensor is a critical component for maintaining precise environmental control within commercial and industrial Continuum systems. This 10K Ohm Type 3 thermistor provides reliable, non polarity sensitive temperature monitoring with an accuracy profile of + 0. 4F (+ 0. 2C) across standard operating ranges. Designed for high interchangeability, the ETR503 eliminates the need for field calibration,