As outlined by PHCP Pros in the article “The Continuing Scald Problem in Plumbing Systems”, a veteran plumber with over 43 years of experience highlights a persistent and dangerous misunderstanding about domestic hot water systems: many believe the thermostat on their water heater controls the temperature at the tap. In reality, that’s not the case, and this misconception continues to result in preventable scald injuries.
In 1979, the ASSE 1016 standard was developed to address a serious safety issue: sudden and extreme temperature fluctuations in showers caused by pressure imbalances—especially with older, two-handle shower valves. This standard laid the foundation for modern pressure-balancing and thermostatic shower valves that regulate hot water flow, protect users from burns, and incorporate a critical safety feature: the limit-stop.
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Article with all rights reserved, courtesy of PHCP Pros — https://www.phcppros.com
