Backflow

Wilkins 1” Model 720A

Question: I need to service a Wilkins 1” Model 720A. Can you tell me if there are any special tools that I will need, and...

Backflow & Rainwater Treatment Systems Quiz

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

1” Apollo Model RPLF4A

Question: I am repairing a 1” Apollo Model RPLF4A. Are there any special tools I will need to complete the job? Mark: Conbraco/Apollo Model RPLF4A is a...

Backflow Prevention & Water Treatment

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

Prevention Rather Than Cure

With things moving toward a new normal and the COVID situation becoming more under control in many areas, we are again on the road...

Infection Control & Backflow Quiz

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

4” Wilkins Model 350ASTDA

Question: I am working on a 4” Wilkins Model 350ASTDA. Can you give me some background about this assembly and explain how to service the...

Our Crucial Work Continues

As the year closes, it is time to reflect on the activities of 2021. Despite all the challenges of 2021, the realm of standards...

The Beginner’s Guide to Backflow Prevention and Cross-Connection Control

There are few things as important as access to safe, clean drinking water. Water is necessary to sustain all life on our...

Mechanical Cross-Connection Control 101

An unwanted or undesirable reversal of flow in a piping system is simply known as backflow. Because fluids generally flow from high...