Watts 0061970 Preventer 320734-701 Featuring a 3/4-inch inverted flare

Featuring a 3/4-inch inverted flare connection

Optimized Timing: Features a 95-second response time for precise airflow regulation and system stability

Using a switch with an incorrect rating can cause the unit to run under unsafe conditions or fail to ignite entirely

replacing the discontinued non-lead-free 140X-5-150 variants

ensuring exact limit switch setting calibration

Watts 0061970 Preventer 320734-701 Featuring a 3/4-inch inverted flareThe Watts 0061970 9D M3 backflow preventer is a professional grade dual check valve designed for continuous pressure applications in commercial and residential settings. Certified under ASSE 1012, this 1 2 inch backflow preventer with vent effectively isolates the domestic water supply from non health hazard contaminants. Its forged brass body and stainless steel internal components provide superior durability when installed on boiler feed lines,