Rinnai Recalls Wall Furnaces Due to Carbon Monoxide Hazard
U.S. Consumer Product Safety Commission recall (2008-02-21). Hazards: carbon monoxide, chemical. Models: 431, 556, RHFE-431, WTA-72B-N, WTA-76B-N, RHFE-556. About 52,000 units in the US.
| Agency | U.S. Consumer Product Safety Commission |
|---|---|
| Recall number | 08199 |
| Published | 2008-02-21 |
| Last updated | 2014-05-23 |
| Product category | Furnaces |
| Products | Direct-Vent Wall Furnaces, Models RHFE 431 and RHFE 556 |
| Firm named in the title | Rinnai |
| Firms | Rinnai America Corp., of Peachtree City, Ga. (manufacturer) |
| Manufactured in | Japan |
| Units (US) | 52,000 |
| Model numbers | 431, 556, RHFE-431, WTA-72B-N, WTA-76B-N, RHFE-556 |
| Hazard classes | carbon monoxide, chemical |
| Remedy classes | repair, stop use |
| Trade facets | hvac |
| Sold | Wholesale distributors nationwide to contractors and dealers from February 2000 through December 2007 for between $1,600 and $1,900. |
Description
The recall involves Rinnai EnergySaver Direct-Vent Wall Furnaces, Models RHFE 431 and RHFE 556. They are either natural gas or LP gas (propane) fueled. The following model numbers are included in the recall: Model RHFE-431 FAIII-N FAIII-P WTA-N WTA-P WTA-72B-N WTA-76B-N Model RHFE-556 FAIII-N FAIII-P WTA-N WTA-P The model number is printed on the top of the rating plate located on the right side of the unit. The recall includes only those units manufactured from February 2000 through December 2007. The manufacturing date code is the first four digits of the serial number, written as YY MM, and is located at the bottom of the rating plate.
Hazard
A gasket in the unit can fail, posing a risk of poisonous carbon monoxide gas leaking into the home.
Remedy
Consumers should stop using the furnace immediately and contact the firm to arrange for the installation of a free repair kit.
Incidents and injuries
Rinnai has received 11 reports of carbon monoxide leaking from the furnace. No injuries have been reported.
Machine access
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Source: U.S. Consumer Product Safety Commission recall notice (US Government work). Not affiliated with or endorsed by CPSC. Structured by Data Foundry (product-recall-structuring@2); last changed 2026-09-28. Always confirm with the agency notice.