2022 May

The May 2022 issue of PM Engineer features best practices for Legionella prevention, virus mitigation strategies for schools, why HDPE is booming, and much more!

Best practices for Legionella mitigation

Rising Legionella outbreaks underlay the need for better plumbing design, mitigation efforts.

Nicole Krawcke

May 16, 2022

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There’s no doubt the plumbing industry has had a hyper-focus on Legionella and prevention over the past few years. Yet a simple search on Google reveals outbreaks in an Illinois prison, a Hawaiian hotel and in Riverside County, California — all within the past two months.

Virus mitigation strategies for schools

UV disinfection for schools and universities.

Dean Saputa

May 18, 2022

One Comment

According to a recent study from Johns Hopkins Center for Health Security, "School Ventilation: A Vital Tool to Reduce COVID-19 Spread," ventilation improvements in K-12 schools are a cost-effective public health measure.

Dave Yates: Formic acid corrosion, erosion

Leaking line sets cause problems despite being protected by insulation.

Dave Yates

May 12, 2022

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I first encountered formic acid erosion/corrosion when our installed air conditioning and heat pump evaporator (indoor) coils began suddenly leaking refrigerant in 2008. These were not old coils either, and some had only been installed for a year when the issues arose.

James Dipping: Water intelligence: Are you warmer or colder in finding a solution?

Failure to properly monitor and maintain a water system can have a direct impact on a company’s bottom line.

James Dipping

May 11, 2022

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In my January 2022 column, I made a broad call for improved water intelligence to offer improved building occupant health. This is nothing new to the HVAC industry, with system monitoring and control extending far beyond the mechanical room and into the most remote areas of the building

hospitals and other health care facilities

Christoph Lohr: Water in health care facilities

The public health and economic nexus.

Christoph Lohr

May 9, 2022

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You would expect water in a hospital to be safe. But, far too often, water in hospitals and other health care facilities can put patients at risk of severe illness or death.

Ethan Grossman: Get a clue about lead

It took 2,000 years to finally pass laws prohibiting the use of lead in plumbing.

Ethan Grossman P.E., CPD

May 4, 2022

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John Siegenthaler: Maintaining constant circulation in heated floor slabs is key

Keep it flowing

John Siegenthaler P.E.

May 3, 2022

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Heated floor slabs, without floor coverings, have one of the lowest supply water temperature requirements of any radiant panel system. This makes them well-suited for use with renewable energy heat sources such as air-to-water heat pumps, water-to-water geothermal heat pumps, biomass boilers and solar thermal collectors.

Julius Ballanco: Decarbonization and electrification — are we there yet?

Electrification will not result in decarbonization when using fossil fuels to generate electricity.

Julius Ballanco P.E., CPD

May 2, 2022

2 Comments

Hydraulic Institute announces appointment of new board of directors and officers

April 11, 2022

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The board of directors will provide organizational oversight to HI and guide the direction of its strategic plan.

Bell & Gossett’s Little Red Schoolhouse reopens for in-person training

April 15, 2022

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Along with cutting-edge technology, Bell & Gossett has reinforced its emphasis on hands-on training with dedicated space for three new demonstration areas that feature functional displays of equipment for a variety of commercial and industrial applications, including variable speed controller technology, plumbing products and service and maintenance.

Sloan partners with The Water Council's WAVE Program as inaugural member

April 12, 2022

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Sloan announced its partnership with The Water Council as the inaugural member of its recently-launched WAVE program. A water stewardship initiative, the WAVE program provides companies like Sloan — a Water Council member since 2011 — with ways to improve their water stewardship efforts.

Henderson becomes employee-owned company

April 13, 2022

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The announcement comes as Henderson simultaneously celebrates 52 years in business and reaches 1,000 employees nationwide. The move to an employee-owned company was part of a long-term leadership transition and company restructure that Henderson announced earlier this year.

HTP commercial boiler

May 16, 2022

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The Elite ULTRA Duo boilers from HTP include dual heat exchangers that provide built-in operational redundancy.

tekmar leveling shim kit

May 13, 2022

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tekmar announces the launch of two new accessories: Leveling Shim Kit 096 and the Spare Socket Cover Plate 097. Leveling Shim Kit 096 prevents standing water on top of snow/ice sensors by making them flush with the surface of a slab.

A. O. Smith scale prevention technology

May 12, 2022

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A. O. Smith announces the addition of X3 scale prevention technology to its full line of residential condensing gas tankless water heaters.

NIBCO PVC termination vent screens

May 11, 2022

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NIBCO introduces its PVC termination vent screens (#4818-SCRN) for high-efficiency appliance lines in residential construction.

Jones Stephens PEX-A piping solutions

May 10, 2022

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Jones Stephens introduces PEX-A plumbing solutions, a comprehensive offering including PEX-A pipe, as well as F1960 cold expansion and F1807 and F2159 crimp-style fittings. Jones Stephens’ PEX-A pipe is available for potable water and oxygen barrier applications.

Goulds Water Technology cast-iron effluent pump

May 9, 2022

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Goulds Water Technology, a Xylem brand, launched its GEP series cast-iron effluent pump, ideally suited to residential greywater and septic applications.

Berner International air curtain

May 6, 2022

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Berner International introduces the Architectural Elite, the debuting model of Berner’s new Architectural Collection, which has the most revolutionary and beautiful cabinet redesigns in air curtain history, the company states.

Westinghouse heat pump exansion

May 5, 2022

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Westinghouse recently expanded its line of mini-split heat pump systems for the U.S. and Canadian markets.

Product Focus: Fire Protection

Victaulic Manifold check assembly

May 4, 2022

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Victaulic’s redesigned Series UMC is a complete floor control manifold or shotgun riser assembly for wet-pipe sprinkler systems up to 300 psi/2068 kPa.

Johnson Controls’ Tyco Model ES-1 and ES-2 sprinkler shields

Product Focus: Fire Protection

Tyco Warehouse/storage sprinkler shields

May 3, 2022

No Comments

Johnson Controls’ Tyco Model ES-1 and ES-2 sprinkler shields are for the protection of in-rack early suppression fast-response sprinklers in storage facilities and warehouses.