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...
Backflow Prevention & Fire Protection 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,...
Fourth Quarter 2025 Update
As state legislatures wrap up their 2025 sessions, attention is shifting toward implementation of newly enacted laws and preparation for 2026 agendas. Several states...
Fire Protection: Water is the Hazard?
When we look at the required cross-connection protection, it is important to understand the system type, piping material, water supply to the system, and...
Ten Questions With … Kevin Convy
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...
Try to Detect It
Mike Cessario came of age in the early 2000s in West Philadelphia’s politically charged punk rock scene. Many followers of the genre at that...
ASSE 1118: Criteria for Digital Mixing Valves
In the ever-evolving landscape of plumbing technology, precision and performance are no longer optional; they're essential. As engineered hot water systems grow more sophisticated,...
Digital Mixing Valve Test Methods
Digital mixing valves (DMVs) are rapidly becoming essential components in engineered hot water recirculating systems due to their ability to maintain precise temperature control...
Evolving Industry Needs
As 2025 draws to a close, the ASSE International Professional Certifications department continues to make significant strides in strengthening certification programs and aligning with...
Plumbers and Sprinkler Fitters
This issue of Working Pressure is our Fire Protection issue. It is very apparent how the trades of plumbing and fire protection coincide. Plumbers...