CURRENT ISSUE
July – September 2026
The current issue of Working Pressure is the annual Backflow Prevention Issue. This issue includes articles about the most common types of backflow assemblies and their most common service needs, backflow prvention in plumbing codes, ASSE backflow standard updates, and more.
View the electronic flip-book edition of the issue by clicking the cover. You may also browse the individual articles below.
Printed editions of Working Pressure are reserved for ASSE International members. If you’d like to receive printed editions, become a member at asse-plumbing.org/membership.
FEATURES
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 Needs
Protecting potable water systems from contamination starts with choosing the right backflow prevention assembly and maintaining it throughout its service life. Although the main...
Shaping The Future of ASSE International
ASSE International’s certification programs, guidelines, examinations, and approval processes depend on the expertise and dedication of industry volunteers. While certification holders often see the...
REGULARS
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...
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...
Guardians Of Water
When someone turns on the faucet, fills a glass of water or prepares a meal for their family, they expect that water to be...
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,...
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...
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...
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,...
Ten Questions With … Ryan Lyle
In each issue of Working Pressure, we ask 10 questions to a training coordinator or instructor of an ASSE-approved training provider. Some questions are...
Third Quarter 2026 Update
As most state legislatures conclude their 2026 regular sessions, attention is shifting from bill tracking to implementation. Fewer than a dozen states remain in...