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PE0626_hot water distribution piping.jpg
Code Classroom

DHW Temperature Control: Designing for Scald Protection and Legionella Risk

Other recommendations include proper mixing valves, adequate disinfectant residuals and flushing/cleaning maintenance to manage biofilm and stagnation.
June 1, 2026
Ron George

Designing a safe domestic hot water system requires balancing the need for high distribution temperatures to prevent Legionella growth with code-compliant temperature controls to eliminate the risk of scalding at the fixture.


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ASPE welcomes OASIS International to Affiliate Partner Program.jpg

ASPE Welcomes OASIS International to Affiliate Partner Program

May 29, 2026

ASPE has welcomed OASIS International as an Affiliate Partner, strengthening the company’s connection with more than 7,900 plumbing engineering professionals.


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ClimateMaster Recognizes John Bailey for Receiving IGSHPA Ambassador Award.jpg

ClimateMaster Recognizes John Bailey for Receiving IGSHPA Ambassador Award

May 27, 2026

ClimateMaster recognizes John Bailey for receiving the IGSHPA Ambassador Award, presented at the organization’s annual conference.


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ACEC Research Institute Releases Engineering Business Sentiment Survey .jpg

ACEC Research Institute Releases Engineering Business Sentiment Survey

May 26, 2026

The ACEC Research Institute has released its Engineering Business Sentiment Survey Q2, painting a picture of an industry that remains fundamentally sound.


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IAPMO Seeks Technical Experts for UPC, UMC Task Groups.webp

IAPMO Seeks Technical Experts for UPC, UMC Task Groups

May 26, 2026

The deadline to apply is June 22.


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EVAPCO Celebrates 50 Years of Innovation in Evaporative Cooling and Heat Transfer.jpg

EVAPCO Celebrates 50 Years of Innovation in Evaporative Cooling and Heat Transfer

May 22, 2026

EVAPCO is celebrating its 50th anniversary, marking five decades of growth from a small Baltimore refrigeration business into a global manufacturer of heat transfer solutions serving industries worldwide.


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Johnson Controls Heat Pumps Deliver 32% Reduction in Annual Heating Costs While Cutting Heating Emissions by 55%.jpg

Johnson Controls Heat Pumps Deliver 32% Reduction in Annual Heating Costs While Cutting Heating Emissions by 55%

May 22, 2026

Johnson Controls heat pumps are being deployed across industries where reliability, performance and economics are critical, demonstrating results at commercial, industrial and district scale.


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A. O. Smith Announces Retirement of Charles T. Lauber and Appointment of Carrie L. Anderson as Executive Vice President and Chief Financial Officer.jpg

A. O. Smith Announces Retirement of Charles T. Lauber and Appointment of Carrie L. Anderson as Executive Vice President and Chief Financial Officer

May 21, 2026

A. O. Smith announced Carrie L. Anderson as its next executive vice president and chief financial officer, effective July 1, succeeding Charles T. Lauber, who will retire after more than 26 years with the company.


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Trimble Empowers Future Skilled Workforce Through National SkillsUSA Sponsorship.jpg

Trimble Empowers Future Skilled Workforce Through National SkillsUSA Sponsorship

May 20, 2026

The collaboration focuses on workforce optimization, a core Trimble value that addresses the widening skills gap by making professional technology more accessible.


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NAMBA to Convene 3rd Annual Building Fire Safety Symposium.jpg

NAMBA to Convene 3rd Annual Building Fire Safety Symposium

May 19, 2026

NAMBA’s third annual Building Fire Safety Symposium will be held Sept. 9–10, 2026, in Chicago, bringing industry leaders together to advance fire safety across design, materials, construction and code enforcement.


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