A Look Inside ASSE’s PQ Dept
The Professional Qualifications (PQ) Department continues to play a central role in upholding ASSE International’s longstanding reputation for rigor, integrity, and public safety through...
A Lesson From Mary Mallon
I recall learning about Mary Mallon, aka Typhoid Mary, back in my school days. Mary worked at the beginning of the 20th century as...
ASSE 1086 Changes
Last year, I outlined the updates introduced in the 2025 revision of ASSE 1086, Performance Requirements for Reverse Osmosis Water Efficiency – Drinking Water....
Industry Standards Accelerate Adoption of Plumbing Tech
Innovation in plumbing is essential for improving water efficiency, safety, and system performance, yet every new technology arrives with a degree of uncertainty. When...
4” Wilkins Model 350ASTDA
QUESTION:I am working on a 4” Wilkins model number 350ASTDA. Can you give me some background about this assembly and explain how to service...
First Quarter 2026 Update
As 2025 wound down, states began early bill filing and interim policy development ahead of the 2026 legislative sessions. Legislative committees and regulatory agencies...
Ten Questions With … Andrew Merino
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...
Backflow Prevention & Water Quality 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,...
Our Most Precious Resource
This issue of Working Pressure magazine deals with water quality and efficiency. Our most precious resource is clean water. We are blessed in Wisconsin...
1” Wilkins Model 720A
QUESTION:I am servicing a 1” Wilkins Model 720A. Can you give me any helpful hints on how to repair this assembly?
DOUG:The Wilkins 720A is...