A 47-year-old woman died from carbon monoxide toxicity while showering in a bathroom equipped with a non-compliant, unflued instantaneous gas hot water heater installed circa 1996. The heater, at least 45 years old when installed, lacked required hood, funnel and flue connections mandated by regulations. Testing revealed dangerous carbon monoxide levels (960-2880 ppm). The metal plate blocking the heater's exhaust opening prevented proper combustion and flue gas expulsion. Clinicians should recognize that carbon monoxide poisoning requires high clinical suspicion in unexplained collapse; post-mortem examination revealed the cause. Public education about gas appliance compliance, professional installation, and regular servicing is critical to prevention.
AI-generated summary and tagging — may contain inaccuracies; refer to original finding for legal purposes.
Non-compliant gas hot water heater installed without flue
Heater installed in bathroom contrary to regulations
Metal plate blocking exhaust opening
Incomplete combustion producing high levels of carbon monoxide
Inadequate bathroom ventilation
Heater never serviced
Second-hand heater lacking original hood and funnel
Coroner's recommendations
The Office of the Technical Regulator should publish a warning to the public regarding the risk of death or serious injury presented by the use of instantaneous gas heaters which do not comply with or are not operated in accordance with technical and safety requirements
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