02 April 2026
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The Heating and Hotwater Industry Council (HHIC) is calling on heating engineers to remain alert to the growing number of counterfeit spare parts entering the UK heating market.
“These fake components are putting household safety at risk, undermining appliance reliability and exposing installers to potential legal and financial consequences”, warns HHIC Director, Stewart Clements.
Heating appliances such as heat pumps, gas boilers and hot water cylinders are rigorously designed, tested and certified before being approved for sale. Every component within them must meet strict safety and performance standards. Genuine spare parts are engineered and certified to operate under the exact conditions each appliance is designed for, and can be identified through correct branding and part numbers.
Heating appliances including gas boilers, heat pumps and hot water storage vessels must comply with relevant health, safety and environmental legislation. The compliance process involves conforming to specific directives and standards and carrying out rigorous testing. This compliance allows manufacturers to apply the CE or UKCA mark. Safety critical and control components within the appliance must also carry the appropriate CE mark.
Counterfeits are not limited to spare parts; they can also include accessories such as programmers, timers and flues. Typically, these fakes originate from internet sales sites, such as e-bay, and are not from a specialist spare part supplier with physical premises. If a part is significantly cheaper than the normal cost, that’s another indication it might not be genuine.
Counterfeit parts often look similar but are frequently manufactured using inferior materials and without any testing or accreditation. Some even carry false CE markings. Their use can lead to premature failure, breakdowns and unsafe situations such as gas or water leaks. In extreme cases, poorly manufactured seals or components can contribute to carbon monoxide incidents. As a result, fitting fake parts risks invalidating warranties and damaging consumer trust in the installer.
For those working with gas appliances, the implications are even more serious. The Gas Safety (Installation and Use) Regulations make engineers fully responsible for the safety of any component they fit. If a counterfeit part fails and leads to an incident, the installer could face prosecution and serious harm to their reputation.
Businesses that knowingly sell counterfeit or refurbished parts without proper disclosure are treated as manufacturers in the eyes of the law and may be prosecuted under product safety, copyright and trademark legislation.
Stewart said: “Just because a part fits does not mean it has been tested to withstand the stresses and conditions the manufacturer designed the appliance to handle. Installers must protect themselves and their customers by sourcing parts only from recognised, reputable suppliers.”
He added that HHIC is urging the entire industry to work together to keep fake parts out of the market. Installers who encounter suspicious components should report them to Trading Standards.
“The safety of consumers and the professional reputation of heating engineers depend on the continued use of genuine, approved parts,” he said. “We need continued vigilance to ensure our industry remains safe, trusted and compliant.”
https://www.eua.org.uk/
https://www.hhic.org.uk/
