Elasto-Valve Rubber Products (EVR), a manufacturer of rubber duckbill check valves, is drawing attention to the expanding role of duckbill valve technology in backflow prevention across wastewater, ...

Clean, safe drinking water is something most homeowners take for granted, yet it relies on a delicate balance of pressure, proper plumbing design, and effective safeguards working behind the scenes.

Backflow preventer installation costs between $105 and $1,400, with the average property owner spending $325 per backflow preventer. Backflow preventers are essential in many commercial and some ...