Leaking washlet. Calling all plumbers

So as the title suggests, my washlet is leaking. It’s leaking from the bottom of the side where the water is connected. From the bottom

What I have done so far

Checked the connection itself. It’s tight

Turned off the water supply and removed the seat. Seemed to be a lot of water “inside”.

Removed the “drain” plug or whatever it’s called, a lot of water came pouring out.

Thought that might have been it.

Put it back and turned in the water and did a “test run”

Still leaking. So as of now, the water connected to the washlet is off.

I didn’t open it up so I don’t know the internals of it.

So my guess is that it’s something internal that has been broken. Either by me when sitting down (probably not)
Or when I slipped on the floor last week and “landed” on the toilet. Didn’t notice anything at first but it’s really dripping.

Any ideas on DYI or is this a clear case of “calling the guy”?
Or go to a shop and ask?

I do not know the model. I tried checking but it said absolutely nothing.
I live in a mansion so my guess is that it’s like… some low budget stuff or something

Anyways, any help would be appreciated.

Edit: I’m in Osaka if anyone knows a good plumber or toilet repair shop.
2. The toilet is a Takara standard.

4 comments
  1. >Checked the connection itself. It’s tight

    Water pipes can be tricky like that. Looks fine, still leaks. That’s why you use plumber’s putty.

    >Turned off the water supply and removed the seat. Seemed to be a lot of water “inside”

    Given that you also say you slipped and landed on it, something likely cracked inside and water pressure gradually forced it open.

    If you rent, you’ve done more than you had to/should have likely. Call your landlord, get ready for a bill, just in case.

    If you own, weekend’s coming up. Go shopping at electronics stores and find a washlet you like. Haggle for delivered and installed, say you’ll give up on points, etc.

  2. I would check how old it is. I think it is mentioned in user guide that it can be dangerous not to replace a wallet after 10-15 years. You can call this “assumed” planned obsolescence. Fact is you sit everyday on a leaking device plugged into both the mains and the water supply

    Anyway it happened to me this winter on a old one (15-20 years?). First thing first unplug electric supply. Then you check if it’s leaking from the pipes (probably not) or internally. Next step I called the maker directly they sent a guy to check for free, he showed me which part was faulty but “unfortunately we don’t make those anymore”.

    My house is old and so is the toilets so I ordered the cheapest washlet I found on yodobashi online. Every plumber we phoned were ready to take us double the washlet price for installation so I did it myself on a Sunday. Mounting is very easy, couple hours max plus getting the right hose plug thing at the home center. Two bird one stone did some heavy cleaning. Family is happy.

    Note : we own the house not renting

  3. If you rent, call the landlord as the other person said. I had a issue that sounds incredibly similar, landlord called someone out to fix it the next day. Fortunately, was not charged for it as that repair was covered as part of the rent agreement. But be ready, in case it isn’t.

    If you own, listen to the other guy.

  4. Either way don’t call any plumbers you find on google who advertise services starting at 5000 yen. Learned that the hard way by having to pay 50000 yen on the spot for the guy in Gucci slippers to unclog my toilet. But lived to tell that even if you get scammed into crazy sums, your fire insurance will cover it! For context: https://www3.nhk.or.jp/news/html/20220330/k10013556881000.html

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