Backflow

These days, ASSE International has many different certifications. There are five different certifications related to cross-connection control alone. Sometimes certifications are voluntary – people...

Question: I have a 4” Apollo DCDA 4A that needs service. I am not familiar with this unit. What is the best way to remove...

When it comes to a lack of understanding in the cross-connection control world, I don’t think there is another product that is...

Backflow prevention test kits are designed to provide many years of trouble-free service. Maintenance and care are required in order for the...

If It Ain’t Broke … When it comes to emerging digital technologies, backflow prevention probably isn’t first to...

During a recent car trip, “Once in a Lifetime” by seminal New York band Talking Heads came on the radio. I always...

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,...