Deringer 20 Model

Introducing Ames Deringer Backflow Assemblies

Installing a 2 ½” - 4” Air Gap Assembly

Maintaining a 2 ½" - 8" Shutoff

Maintaining a Deringer 20 2 ½" – 4" Double Check Valve Assembly

Maintaining a Deringer 20 2 ½" – 4" Access Cover

Maintaining a Deringer 20 2 ½" – 4" First Check

Maintaining a Deringer 20 2 ½" – 4" Second Check

Maintaining a Deringer 20 6" – 8" Double Check Valve Assembly

Maintaining a Deringer 20 6" – 8" Access Cover

Maintaining a Deringer 20 6" – 8" First Check

Maintaining a Deringer 20 6" – 8" Second Check