Shortest Backflow Assembly in the Industry

The 4" Deringer 20 Double Check is only 18.7 inches long and weighs just 42 lbs, making it the shortest and lightest in the industry. 

Our lightweight backflow assemblies save time, space, and money. Deringer Backflow Preventers are easy to install and ship right to your job site.

Shop now at backflowdirect.com!