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Thread: Problem Installing Toto Aquia on Closet Flange on Floor

  1. #16
    DIY Junior Member Emma3's Avatar
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    I considered installing it ourselves (we installed the Pacifica, which required drilling into the concrete slab, and an unexpected and rather unattractive fix for the supply location), but frankly I was intimidated by the posts complaining of wrong drilling specs in the instructions, and of leaking tanks. I just want it to be right (ok, so I want it to be perfect), and I'm pretty sure the DIY job won't be. Is it not as bad as those stories make it seem?

  2. #17
    Retired Defense Industry Engineer jadnashua's Avatar
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    Toto gives you plastic inserts to use in the holes that you drill to hold the screws. Many have found that they are a little too large for the hole they tell you to drill. That's annoying. I think maybe they are metric, and chose the closest standard fractional drill bit, so they're a little tight to install easily. You can always substitute any other one that would fit the hole - they're cheap, or figure out what size hole they really need. Now, this may very well have changed...I haven't installed on for quite awhile.

    Have you got the unit at home? Take it out of the box, read the instructions, look at the parts, then decide. You can buy a diamond bit at Lowes for probably less than $20...cheaper than a plumber doing it. Depending on the tile, it might take you a couple of minutes per hole. Use a spray bottle and spritz the hole to keep the bit wet and do it slowly - let the diamonds grind the hole - it's not like a knife or a twist drill cutting through wood. Do a practice hole in a spare piece of tile. It helps to put a piece of tape on the floor where you are going to drill.

    If you've never used a diamond core bit, you really need a variable speed drill. If you have something with a same sized hole in it, you can place it over the spot where you want to drill the hole, kneel on it, then use it as a guide to get the hole started. If you don't do that, it's a little trickier...the thing doesn't have a center - it is like a pipe with diamonds on the rim, so getting started takes some knowledge. You hold the drill at an angle, around 45-degrees works, and use the edge to score and start the hole. Then, once you get a little divot, you gradually rotate the drill so it is vertical. If you do it slowly and smoothly, you'll get a nice hole exactly where you want. The tape helps grab things and to protect around the tile in case it wanders. Once you do one, it's a piece of cake, especially on a floor...it's harder to hold it exactly where you want on a wall.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  3. #18
    DIY Junior Member Emma3's Avatar
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    This is all starting to sound very familiar... Yep - I recall having to redrill the holes, and no, I didn't have a diamond bit (*&%@#!).

    If drilling the holes is the only tricky part, I'll definitely go for it myself. But this is required for all Toto toilets, no? If so, then what makes the Aquia so much more time consuming to install?

    The post that had me concerned dealt with leaks between the tank and bowl, so I thought maybe that was the issue.

    Andra

  4. #19
    Retired Defense Industry Engineer jadnashua's Avatar
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    Just measure carefully. The plastic anchors will go in, but you'll need a hammer. If you don't want to get that radical, buy some other ones.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

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