Watts 9D-1/2-M3 Back Flow Preventer Atmospheric Vent 1/2" NPT 0061935

The Watts 9D-1/2-M3 Backflow Preventer with Atmospheric Vent 1/2” NPT, 0061935 is a backflow preventer system that is reliable and efficient in preventing reverse flow of contaminated water into potable water and HVAC systems. operates through the spring loaded to eliminate back-siphonage and back pressure for water safety and system integrity. It the frequently applied in boiler feed lines cooling towers, as well as other HVAC systems it is efficient in preventing possible risks of cross-connections. Its robust brass construction provides long-term performance and corrosion resistance, making it an affordable and essntial part of keeping water quality and avoiding system damage.