What to do: Immediately stop using the recalled products and contact Rinnai America Corporation to arrange to have a certified technician install the repair at no cost to the consumer.
Audience: General public
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Models affected must have a serial number beginning with an “S”.
Issue
The boiler door can fail to seal properly due to incorrect screws, allowing gases to escape, posing a carbon monoxide (CO) poisoning hazard. As of May 13, 2025, the company has received no reports of incidents in Canada and in United States.