Resideo BP900 Backflow Preventer The AT-505 is primarily used

The AT-505 is primarily used with the Barber Colman/Schneider Electric line of room thermostats and sensors

ensuring HVAC safety compliance and efficient gas combustion on every job

Rated for 14

High BTU Capacity: Manages up to 250

Resideo BP900 Backflow Preventer The AT-505 is primarily usedThe Resideo BP900 is an industrial grade 1 2 inch double check backflow preventer engineered specifically for high demand hydronic systems and small supply lines. This critical component utilizes an integrated intermediate vacuum breaker to provide redundant protection against both backflow and back siphonage, ensuring contaminated water never enters the potable supply. Constructed with a heavy duty bronze body and stainless steel internal components,