Safety Recall: Rinnai Hot Water Bathroom Heater Dryer RBH-C261 Series, RBH-C333 Series, RBHM-C334 Series – Japan CAA

Published by Reclia Safety Desk | July 06, 2026

Recall Information Record

Case Number: 00000033683
Product: Hot Water Bathroom Heater Dryer RBH-C261 Series, RBH-C333 Series, RBHM-C334 Series
Brand: Rinnai
Hazards: Fire Hazard
Source: Japan Consumer Affairs Agency (CAA)

WHAT HAPPENED

Rinnai Corporation has announced a voluntary recall for certain models of its hot water bathroom heater dryers due to a fire risk. The affected products are the RBH-C261, RBH-C333, and RBHM-C334 series. The issue stems from corrosion at the lead wire extraction point inside the fan motor, which can lead to short-circuiting and potentially cause the unit to catch fire.

This recall is significant because bathroom heater dryers are commonly used in Japanese homes, and a fire hazard in such a device poses a serious safety risk to occupants. The Consumer Affairs Agency of Japan has published this notice to ensure that all owners of the affected models are aware of the danger and take prompt action. The recall is being conducted in cooperation with the Ministry of Economy, Trade and Industry.

If you own one of the affected models, please take the following steps immediately:

• Stop using the unit and unplug it from the power source.
• Check the model number on the product label to confirm if it is part of the recall (RBH-C261, RBH-C333, or RBHM-C334 series).
• Contact Rinnai’s customer service center to schedule a free inspection and repair. The service began on April 15, 2025.
• Do not attempt to repair the unit yourself, as this may void the recall service or cause further damage.

AFFECTED BATCHES & TARGET SPECIFICS

– **Target Model / Type:** RBH-C261シリーズ, RBH-C333シリーズ, RBHM-C334シリーズ
– **JAN Barcode:** N/A
– **Affected Serial / Lot Numbers:** N/A
– **Total Units Affected:** N/A

ADDITIONAL REGULATORY NOTES

The recall was initiated by Rinnai Corporation under the oversight of the Ministry of Economy, Trade and Industry (METI). The hazard involves corrosion of the lead wire extraction part inside the fan motor, which may cause short-circuiting and fire. The recall action is inspection and repair, starting April 15, 2025. Management number: 00000033683.

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