Backflow

ASSE has a long history of writing performance standards for backflow prevention products and granting listings to manufacturers with backflow prevention products approved as...

Question: I am trying to repair an Ames 4” Model 2000SS. The check valves are very difficult to remove. Could the checks be cross threaded...

The 2021 model code cycle is wrapping up and with it comes the news of what to expect. Knowing what is coming will affect...

According to the ASSE International Plumbing Dictionary, working pressure is the maximum pressure in a water piping system allowable under normal working conditions. Likewise,...

Do you have faith in the institutions that affect your life? Your church, your government, the Boy Scouts of America, your local news, or...

Question: I have to repair a 1" Wilkins 720A. Can you tell me if there are any special tools that I will need, or any...

According to the ASSE International Plumbing Dictionary, working pressure is the maximum pressure in a water piping system allowable under normal working conditions. Likewise,...

ASSE 1053-2019, Performance Requirements for Dual Check Backflow Preventer Wall Hydrants – Freeze Resistant Type, has been designated as an American National Standard by...

I just got off the phone with a contractor demanding to know what code section, in either the Uniform or International Plumbing Code, clearly...

Question: I have a 3” Watts Model 009 that needs to be serviced. I want to replace the check valve discs and relief valve rubber...