Schneider Electric (Barber Colman) AT-505 Mounting Base usually removing the requirement for

usually removing the requirement for downstream venting

or commercial water heaters

What causes this 220-degree limit switch to trip

This item is the mixing chamber body only

System Protection: Rapidly opens the circuit at 135°F to prevent overheating and protect the heat exchanger from cracks or fatigue

Schneider Electric (Barber Colman) AT-505 Mounting Base usually removing the requirement forThe Schneider Electric (Barber Colman) AT 505 Mounting Base provides a professional grade solution for surface mounting commercial thermostats and HVAC sensors. Designed for the legacy Barber Colman product line, this AT 505 surface mounting base is essential for clean installations where wall box mounting is impractical or unavailable. With housing dimensions of 4 5 8" H x 3 1 8" W x 1" D, the beige wall plate offers a low profile aesthetic that