Backflow Prevention and the Plumbing Code
The adopted plumbing code is where we look to find the required isolation backflow protection. Isolation, or point-of-use protection, is the protection at fixtures...
The Hitchhiker and Backflow: Both Have Been Everywhere
IAPMO Senior Director of Government Relations Jim Scarborough made me aware of a recently passed backflow law in Delaware (HB458). The law prohibits counties...
Most Common Types of Backflow Assemblies and Their Most Common Servicing...
Protecting potable water systems from contamination starts with choosing the right backflow prevention assembly and maintaining it throughout its service life. Although the main...
Bidet Cross-Connection Control
The bidet, a bathroom fixture that is popular in many areas of the world, has not been a common feature in most American homes...
Certifying to ASSE 1013, 1015, 1047 & 1048
In his recent standards update article, Terry Burger discussed the status of four of ASSE’s most commonly used performance standards: ASSE 1013, 1015, 1047,...
ASSE 1013, 1015, 1047 & 1048 Updates
As of 2026, several ASSE backflow prevention assembly standards are at different stages of publication, revision, and harmonization. The most significant activity centers on...
Backflow Program and Proctor Calibration Training
The ASSE Professional Qualifications (PQ) Department has been very busy this year updating procedures, forms, and documents, and training new staff. As I write...
2” Watts 007DCDA
QUESTION:I have a 2-inch Watts 007DCDA on a fire system that needs to be serviced. This is the first time I have worked on...
Backflow Prevention 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,...
ASSE 5110 Backflow Testers in California
With some confusion and misinformation regarding acceptance of ASSE's backflow prevention assembly tester certification in California, I'd like to answer some frequently asked questions...