ICOM releases updated guide on water quality and treatment considerations for commercial domestic hot water systems.
The Industrial and Commercial Heating Equipment Association (ICOM) has published a revised version of its technical guide covering water quality considerations for commercial domestic hot water systems. The updated document details the technical requirements for managing scale, corrosion, and biological hazards in non-domestic hot water installations.
Proper water treatment in commercial heating systems is essential for maintaining operational efficiency, ensuring compliance with health and safety standards, and preventing early component failure. The updated guide provides refreshed advice on chemical dosing, filtration methods, and continuous monitoring practices tailored to commercial systems.
What does this mean for a UK tradesperson or DIYer actually buying this kit — does it change what they should pay, buy, or watch out for? For commercial plumbers, heating engineers, and installers buying water treatment chemicals, dosing pots, and filtration hardware from merchants like Travis Perkins, B&Q, or specialist trade outlets, this guide dictates how installations must be specified to protect warranties.
Following updated ICOM standards directly influences product choice on site. Installing commercial water heaters without incorporating the recommended scale inhibitors or inline water treatment units can invalidate manufacturer warranties on high-value plant equipment. While serious DIYers working solely on residential domestic setups are unlikely to need commercial-grade treatment systems, installers working on multi-occupancy, light commercial, or industrial projects should review the updated requirements before purchasing parts or commissioning new hot water pipework.
Reported by PHPI Online — original article
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