maintaining the specific response curves required by the original equipment manufacturer

The high-clarity plastic allows technicians and facility managers to monitor thermostat readouts without opening the unit

the White-Rodgers 3L09-2 provides the factory-calibrated accuracy necessary to maintain system safety and operational integrity

High-volume damper shaft sizes including 1/2"

Legacy Support: Functionally replaces discontinued part numbers including 0161P00030

Schneider Electric (Barber Colman) AT-505 Mounting Base maintaining the specific response curvesThe 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