maintaining the specific response curves required by the original equipment manufacturer

verify that the flow direction aligns with the bidirectional internal check valves

Legacy Support: Functionally replaces discontinued part numbers including 0161P00030

which can compromise appliance performance and lead to costly emergency service calls

High-volume damper shaft sizes including 1/2"

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