DDFD and the Holy Grail January 6, 2014 Timothy Allinson One of the greatest challenges in our engineering industry is determining when a project is truly done. How do you...Read More
Pump start: Q&A with AquaMotion’s Hans Kuster January 6, 2014 Circulator pumps are quite literally the heart of any plumbing system. With so much resting on the performance of a...Read More
Antifreeze in Wet Fire Sprinkler Systems April 9, 2013 When it comes to antifreeze for fire sprinkler systems, the past twelve months have been a period of anticipation and...Read More
PEX Perspective April 9, 2013 Throughout history pipes have been made of many different materials. We should expect to see continuing innovation in the plumbing...Read More
What type of grinder pump do you need? April 9, 2013 Wastewater from a building’s fixtures is supposed to be carried to a public sewer main, then on to a treatment...Read More
Markup vs. profit margin April 9, 2013 Richard DiToma Vito, a plumbing contractor from New York, writes, “I would like an explanation of gross profit. Why is it always...Read More
Understanding Backwater Valves January 1, 2012 The first rule of plumbing is “sewage flows downhill.” When sewage is not following the rules, you’re going to need...Read More
What are safe hot water temperatures? March 14, 2009 Ron George I am often asked, “What is a safe hot water temperature for domestic hot water?” If you read the model...Read More
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