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Home » Topics » Plumbing & Mechanical Engineer

Plumbing & Mechanical Engineer
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3d rendering of condenser unit or compressor on rooftop of industrial plant, factory.
Renewable Heating Design | John Siegenthaler

3-way diverter valves: Part 2

Real world valve applications.
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
May 30, 2024

In last month’s column, we discussed the design and actuation of 3-way diverter valves. This month, we’ll look at several applications for these valves.


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Kathleen MacDonald High School name and logo, Condors logo on wall.

California K-12 school campus conveys high-tech, futuristic appeal — even in restrooms

Aesthetically pleasing restroom fixtures meet design goals.
Cassie Keeler
May 22, 2024

The Agnews Campus in the Santa Clara Unified School District worked with LPA Design Studios, a California-based integrated architectural and engineering design firm, to design the schools with a high-tech aesthetic.


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LG-Boston.gif

LG opens Heat Pump Training Academy in Boston

May 21, 2024

The facility is scheduled to host thousands of training courses in its first year, guiding professionals through a spectrum of topics, spanning both the residential and commercial sectors, including installation, software evaluation, and best practices for servicing LG air solutions products. 


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 3d rendering microscopic blue bacteria.

Mixing valves play a key role in water safety

Thermal disinfection is the safest, most cost-effective method for controlling bacteria within plumbing systems.
Sarah Scolari PE, CPD
May 16, 2024

Legionella is a concerning bacteria found in freshwater environments. When inhaled, it can cause Legionnaire's disease, a severe form of pneumonia, especially dangerous for those with weakened immune systems.


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A trench filled with plastic tubing used for the installation of a geothermal residential heating and cooling system.
Radiant Comfort Report Spring 2024 Edition

Thermal Energy Networks for HVAC&W

Targeting the performance zone.
Rick Bostian
Rick Bostian
May 16, 2024

Circulating ground-temperature water in a Thermal Energy Network (TEN) provides efficient heating and cooling, reducing costs and mitigating climate change through decarbonization. The water must be kept within a specific temperature range, known as the performance zone.


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PEX that are embedded in the concrete slab
Radiant Comfort Report Spring 2024 Edition

How radiant heating and cooling can help achieve decarbonization goals

For maximum efficiency, water in a hydronic radiant heating and cooling system is the best option.
Hailey Mick
May 14, 2024

In a radiant heating and cooling system, water circulates through PEX pipes in the concrete slab to control the slab's temperature for heating or cooling.


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May 2024 Christophe Lohr column feature image of Regulations Concept with Wooden Blocks in Red Color
Strategic Plumbing Insights | Christoph Lohr

The importance of third-party product standards and professional qualifications

Industry professionals should engage in the development of new standards and serve on technical committees to help shape the future of plumbing and mechanical systems.
Christoph Lohr headshot
Christoph Lohr
May 6, 2024

Plumbing design professionals rely on third-party product standards and qualifications to minimize design risk efficiently. Written specifications often reference product certifications.


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Point-of-use water disinfection feature image of washing hands over the sink
Legionella Prevention

Point-of-use water disinfection: a necessary public health solution

POU disinfecting systems represent a pragmatic and efficient approach to managing water safety.
Robbie Svidron
May 6, 2024

Point-of-use (POU) water disinfection isn't just about public health; it's also an essential engineering strategy in modern water systems, tackling waterborne diseases by ensuring safe drinking water directly at the point of consumption.


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Compliance rule law and regulation graphic interface for business quality policy.
Guard on Compliance | Misty Guard

Navigating product access in the US

Decoding the relationship between standards and regulations.
Misty Guard headshot
Misty Guard
May 3, 2024

Join us in unraveling product access complexities in the US. Whether you're a seasoned pro or a newcomer, we'll provide insights for successful product compliance. Thank you for embarking on this journey with us!


Read More
Air source heat pumps installed outside of city house, green renewable energy concept of heat pump.
Renewable Heating Design | John Siegenthaler

3-way diverter valves: Part 1

Digging into motorized 3-way diverter valves and actuator options.
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
May 1, 2024

There are many scenarios in which flow at some location within a hydronic system has to be directed along one of two possible flow paths. When a single valve is used to create this routing, it’s called a diverter valve. In part 1, we're digging into motorized 3-way diverter valves and actuator options.


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