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Home » Topics » Plumbing & Mechanical Engineer » Piping | Plumbing | PVF

Piping | Plumbing | PVF
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Close-up of a stream of water hitting the surface while running a warm bath.
Continuing Education, brought to you by PM Code Corner

Continuing education: Designing right-sized plumbing systems for housing affordability, water efficiency and public health

Creating spaces that are safe, welcoming and healthy for all occupants.
Andrew A Hunt
September 11, 2025

This article provides plumbing engineers and system designers with strategies for right-sizing residential plumbing systems based on modern water use data and highlights how traditional sizing methods, like the Hunter’s Curve, often lead to oversized systems that increase costs and wastewater.



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Close-up of a manifold with flow meters regulating water pressure in an underfloor heating system, ensuring efficient temperature control.
Renewable Heating Design | John Siegenthaler

Balancing high- and low- mass heat emitters to prevent temperature "droop"

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
September 9, 2025

Some hydronic heating systems use slab-on-grade floor heating combined with an air handler or fan-coils in other areas of a building. This approach is also used for heated basement floors combined with a “hydro-air” delivery system for the main living areas.


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Dan Callies PHCC President

Why PHCC CONNECT 2025 is a must-attend event for plumbing and HVACR professionals

Five fast facts about CONNECT.
Dan Callies
September 3, 2025

CONNECT brings together professionals and emerging leaders, contractors, vendors and educators in a collaborative environment. Attendees will leave not only with fresh insights and tools for success but also with the kind of personal connections that support long-term growth and innovation.


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Waste PVC pipe drainage system inside building, piping on the ceiling of home.
Guard on Compliance | Misty Guard

Mid-year regulatory trends in plumbing & mechanical systems

Misty Guard headshot
Misty Guard
August 25, 2025

Throughout this period, global governments have been notably active on issues related to chemicals, household equipment, HVAC equipment, mechanical systems, plumbing products, protective equipment, and water heating appliances. I have curated the policy changes to save you time and keep you informed and ahead of the curve.


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Random mixture of copper pipe and brass fittings.

Check valves explained: Understanding different types and applications in backflow prevention

Learn about check valve types (swing, ball, diaphragm, dual-plate) and their crucial role in backflow prevention.
Mark Ligon
Mark Ligon
August 20, 2025

Check valves are found in and around a pump system, a sump pit, or cracked open a main line. They’re everywhere. And there’s a reason they’re there: to prevent backflow. Backflow isn’t just unpleasant—it’s a serious hazard. It occurs when water or other liquids flow in the opposite direction, contaminating clean systems.


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A concrete walkway partially covered with light snow.

No slips, no shutdowns: ensuring access with snow melt systems

How radiant snow melt systems are transforming winter safety around the U.S.
Kristen Bayles 200x200 headshot
Kristen R. Bayles
August 12, 2025

Slip-and-fall accidents are among the most common liability claims in winter, according to AAA. Winter storms have cost billions of dollars in insured losses, just in the past few years. For businesses, that’s a major issue. In healthcare facilities where patient safety and uninterrupted access are non-negotiable, the stakes are even higher. Radiant snow melt systems can eliminate surface ice before it becomes a hazard, dramatically reducing legal exposure.


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Legionella

Legionnaires' disease outbreak in New York infects more than 80

Three people have died from a Legionella outbreak that originated in a cooling tower.
August 11, 2025

Three people have died from the disease outbreak, and more than 20 have been hospitalized, according to the latest data from CNN.


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Closeup of a team of industrial engineers meeting to analyze machinery blueprints and consult on a project on a table in a manufacturing factory.

ASA Voice of Engineer Survey now live

American Supply Association seeks input from specifiers, architects and engineers.
August 11, 2025

As a thank you for completing the survey, if you provide your name and contact information at the end of the survey, you will be entered into a drawing to win 1 of 10 $50 Amazon Gift Cards.


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Matthew McClure, fifth-year apprentice with Local 51 Plumbers and Pipefitters, works on a chiller upgrade project.

2025 Mechanical Contractor of the Year: Arden Engineering Constructors

One partner, full building solutions
Natalie Forster
Natalie Forster
August 8, 2025

With over 75,000 square feet of fabrication space, cutting-edge technology, and a “Care First” safety culture that prioritizes both physical and mental well-being, Arden’s success is not just measured in projects completed—but in the trust earned across generations of clients and partners.


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A young male plumber in red overalls is smiling and talking with a woman while working under the kitchen sink.
From the Editor | Kristen Bayles

From leak to lesson: Why transparency and trust matter just as much as the tools in the plumbing and mechanical trades

Kristen Bayles 200x200 headshot
Kristen R. Bayles
July 15, 2025

Plumbing and mechanical professionals bear more responsibility than often recognized. They ensure building safety, function, and peace of mind for occupants. Every installation, service, or check involves managing expectations, reducing risks, and building trust.


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