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Rinnai America Recalls Boilers Due to Carbon Monoxide (CO) Poisoning Hazard

Rinnai America Boilers was recalled on June 5, 2025 in cooperation with the U.S. Consumer Product Safety Commission because the boiler door can fail to seal properly due to incorrect screws, allowing carbon monoxide (CO) gases to escape, posing a carbon monoxide…

Is my unit affected?

This recall involves Rinnai-brand i-Series Plus residential wall-mounted gas boilers with model numbers IP175S, IP199S, IP175199C and IP199199C. The top white label on the side of the boiler states MADE IN JAPAN and has the model numbers followed by a reference code in parenthesis, TYPE OF GAS NATURAL GAS and SERIAL NO. followed by letters and numbers. The boilers are rectangular and metal and have the name Rinnai printed in black near the top and a temperature display/keypad near the bottom of the front of the boiler.

Units affected: About 2,030 (In addition, 249 were sold in Canada)

Where it was sold: Independent heating and plumbing contractors and wholesale distributors nationwide, and online at Amazon.com, Homedepot.com and Lowes.com from September 2024 through February 2025 for between $3,900 and $5,000.

Compare the codes above against the label on your product — usually on the bottom, the back panel, or the packaging. If your unit isn't listed, it is not part of this recall.

What's the hazard?

The boiler door can fail to seal properly due to incorrect screws, allowing carbon monoxide (CO) gases to escape, posing a carbon monoxide poisoning hazard.

Your remedy & how to claim it

Consumers should immediately stop using the recalled boilers and contact Rinnai to arrange to have a certified technician install the repair at no cost to the consumer. Consumers who must continue using the boiler while awaiting repair should have working carbon monoxide alarms on each level of their homes and outside sleeping areas. (Remedy: Repair)

Contact: Rinnai America Corporation toll-free at 800-621-9419 from 8 a.m. to 8 p.m. ET Monday through Friday, email at recall@rinnai.us, or online at https://www.rinnai.us/support/recalls or at https://www.rinnai.us and click on "Recall" at the bottom of the page for more information.

Not sure what you're entitled to? Read our guide: what to do if your product is recalled.

Official recall notice

Always confirm details on the official notice from the U.S. Consumer Product Safety Commission before acting.

View official notice →

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