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Home » Topics » Plumbing & Mechanical Top Stories

Plumbing & Mechanical Top Stories
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L to R - PHCC Educational Foundation National Plumbing Apprentice Contest Winners -  Daniel Pritchett (Third Place), Josh Vogt (First Place), Cody Green (Second Place).

PHCC Educational Foundation congratulates 2025 National Plumbing Apprentice Contest winners

The winners for the annual national plumbing apprentice contest, held from Oct. 27th-29th, were announced.
November 3, 2025

Winners Josh Vogt, Cody Green and Daniel Pritchett were sponsored by A.O. Smith, Moen and the Copper Development Association, respectively. 


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Group of hands working together on gear mechanism in retro collage 90s style vector illustration.
The Blue Collar Coach | Kenny Chapman

Culture by design, not default

Kenny Chapman headshot with a white round border frame, 200x200
Kenny Chapman
October 27, 2025

Culture is a vital driver of results. A 2025 Deloitte study found that strong cultures lead to 30% more innovation and 40% higher employee retention, saving companies 90–200% of an employee’s annual salary for each retained worker. In contrast, Gallup estimates disengaged employees cost the global economy $8.8 trillion, or 9% of GDP.



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Lake Crescent, a glacially carved lake in Washington inside of Olympic National Park
Editorial Opinion | Kristen Bayles

Clear waters, clear purpose: reflections on protecting a vital resource

A journey through the Pacific Northwest offers a vivid reminder of the care and vigilance required to protect and deliver one of our most vital resources.
Kristen Bayles 200x200 headshot
Kristen R. Bayles
October 22, 2025

In nature, water moves in carefully balanced cycles: it falls as rain, runs along streams, and percolates through the soil. Each step in that journey is absolutely critical to maintaining water's life-giving power. Similarly, human plumbing and water systems are designed to replicate that balance.


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Chicago Vintage Apartment Buildings in Portage Park
Heating Perceptions | Scott Secor

Invoices, inspections, and integrity: lessons from Leonard

One owner’s insistence on value, quality and expertise leaves a lasting mark.
Scott Secor
Scott Secor
October 20, 2025

Approximately twenty years ago, we got a call from someone who owned three identical apartment buildings in a nearby town. His name was Leonard. He recently visited an annual building-owners trade show and heard that we knew how to fix and properly adjust outdoor reset controls. Leonard called us, and we made an appointment.


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Plumber fixing a pipe and talking to his clients in the kitchen.
Guest Editorial | Joe Mozzone

Ethics in service businesses: Making production-based business models work

Necessary quality control elements within modern industry ideology.
Joe Mozzone author headshot 200x200
Joe Mozzone
October 16, 2025

As many companies adopt growth-oriented language, it’s important to explore the tactical strategies behind it. Key benchmarks to consider include: What roles do we need to fill in the next few years? How do we retain our experienced employees? Who is our ideal customer and how many will we have in three years? What are our projected revenues in 5 and 10 years? Are our plans aligned with healthy gross and EBITDA margins?


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SENSEI-RX covered garage-

Rethinking tankless: fact over fiction

Debunking misconceptions about cost, cold climates, and high-demand performance. 
Kristen Bayles 200x200 headshot
Kristen R. Bayles
October 15, 2025

Many people still hesitate when they hear the phrase “tankless water heater.” The myths run deep: they won’t work in cold climates, they’re too expensive, they can’t keep up with demand. These misconceptions are fueled by early limitations in the technology and years of hearsay passed along between homeowners – and even some tradespeople.


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An air conditioning engineer is finishing the installation of several units on a rooftop. Two colleagues can be seen also installing units in the background. They are wearing high visibility jackets, hard hats and safety goggles.
Renewable Heating Design | John Siegenthaler

Using ratios to measure, compare and improve HVAC systems

Relating to ratios
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
October 15, 2025

Many of the ratios used in the HVAC industry are just some “desirable output” quantity divided by the “necessary input” quantity. One example is the coefficient of performance (COP) of a heat pump. The desirable output quantity is Btu/hr of heat output. The necessary input quantity is the electrical input power needed to operate the heat pump. The latter is typically measured in watts or kilowatts.


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Figure 3 and Figure 5 feature image
The Glitch & The Fix: October 2025

Hindsight - From complex loops to clean headers: simplifying for reliability

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
October 13, 2025

Around 25 years ago, I developed a design that sends high-temperature water to a remote manifold for low-temperature floor heating, mixing it with returning water to achieve the optimal supply temperature, regulated by a variable speed pump. Can you identify a problem with this approach or propose a better one?


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Sewage treatment plant for wastewater purification.

Smarter solutions for overcoming wastewater management challenges

Learn how advanced centrifugal grinder pump design addresses common performance and maintenance hurdles.
Andy Freberg
October 13, 2025

The most efficient grinder pump requires no maintenance, manages solids without clogging, and supports various wastewater systems by preventing settling and handling modern “flushable” products.


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A male engineer is examining the pipe system and checking the data on his tablet.

Boiler efficiency starts with water chemistry

Why testing before installation matters.
Steve Wieland
October 10, 2025

Water chemistry significantly affects boilers, with scale buildup as small as one-sixteenth of an inch causing a 20 percent loss in heating efficiency and leading to corrosion, leaks, and potential boiler failure. Analyzing water chemistry beforehand is crucial for identifying necessary solutions and ensuring long-term performance.


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