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Recently, a user named zjxhgy8 posted an alarming message on the internet: "After buying a new TOTO Washlet, I felt a voltage of up to 220V when sitting on it! ! !" According to the post, the TOTO Washlet was installed properly in October, but the user and others reported a tingling sensation. When tested with an electric pen, the light remained on, indicating a high voltage—up to 110V-220V. Even the surrounding water pipes were reportedly charged. The post included several images showing the test results, sparking concerns about product safety.
Netizens responded with concern and suggestions. One user warned: “Check if your outlet has a three-prong plug and whether the ground wire is properly connected. If it’s not grounded, it could be a defect in the product. It might not fully isolate electricity from water, causing both the body and pipes to become charged.†Others advised using a grounded socket or connecting the ground wire to a metal pipe for added protection. Some even recommended installing a residual current device (RCD) for extra safety.
TOTO officially responded, stating that they have never received such complaints. A representative from TOTO Guangzhou, Zhong Haohua, said: “We’ve been manufacturing Washlets since 1980, and our technology is well-established. This situation is simply not possible.†He also mentioned that there are no known cases of such issues in other countries. Another customer service rep suggested that the voltage might be due to static electricity, which can cause temporary tingling but not dangerous levels. They also noted that TOTO technicians would handle any real quality issues.
A third-party testing agency, SGS, dismissed the claims as fake. Their technical manager, Mr. Fu, stated: “The materials used in the toilet—ceramics and plastics—are insulators and cannot conduct electricity. In previous tests, the voltage was always zero. The image shown must be misleading.†He also explained that while static electricity may briefly light an electric pen, it wouldn’t keep the light on continuously. “If that were true, that spot would be a power plant,†he joked.
The article tried contacting the original poster but found no response. The user had only registered on the forum and didn’t reply to private messages. If the story is true, the reporter urged them to reach out. NetEase Home plans to conduct its own test on similar smart toilets and will release a report soon.
Whether the incident is genuine or not, it highlights growing concerns about the safety of smart toilets. With multiple electronic functions and circuits, users wonder if they’re safe in wet environments. While brand-name smart toilets usually come with multiple safety features, proper installation and purchasing from reputable manufacturers are crucial. Always check for certification and safety standards before buying. After all, these devices use electricity for heating, drying, and more, so electrical safety should never be overlooked.