Finding Toto Toilet Parts

Ask around, and you’ll find that people love Toto toilets – with good reason. They’re some of the most efficient, low-maintenance, low flow toilets around, and they come in a variety of styles to suit many types of bathroom decor. However, as with anything that has moving parts, sooner or later something is going to break or wear out and need replacing. So what do you do?

If you purchased the toilet, you may still have the original paperwork lying around somewhere that can tell you all the replacement parts you could ever need. If you lost or misplaced your paperwork or you aren’t the original purchaser of the toilet, though, there’s still hope. Toilet manufacturers are human too and to help us out, Toto prints the toilet model number into each of their toilet tanks.

To find your model number, all you need to do is carefully remove your toilet tank lid (be sure to set it somewhere safe so it can’t get broken while you’re investigating!) and grab a flashlight. Look around on the inside of your tank and try to find some numbers painted above or near the water line on the back or sides of the tank. You may find two or three different sets of numbers, so be sure to write them all down to help you with your search for parts.

toto-onepiece-toilet If you have a Toto one-piece toilet, your model will most likely start with the letters “MS” followed by six numbers – ending with either a “113” (for round toilet bowls) or a “114” (for elongated toilet bowls). Knowing whether you have a round or elongated bowl can come in handy if you need a replacement toilet seat, but what you really want to focus on are the three numbers between the “MS” and the “113/114” as these will be the main identifying model number of your toilet.

For example, if your toilet says “MS863113E”, you’ll want to look for parts for a one-piece model “863” – BUT WAIT! Let’s not overlook that little “E” on the end! If your model number ends with an “E” your toilet is an “Eco” model that uses the E-Max® flushing system. “Eco” models may require different parts than older or standard flush models that don’t have the “E”, so be sure to look carefully at parts diagrams and product descriptions to make sure you’re buying the right parts for your system. While the older flappers, valves, etc. might fit into the toilet, you certainly won’t get the same low consumption performance if you use those parts.

If you have a two-piece toilet, you’ll need to make sure you keep an eye out for that “E” as well, but your model will most likely begin with “ST” and be followed by only three numbers. If you have any original documentation left, you might notice that two-piece Toto toilets actually have three identifying numbers – one for the tank, one for the bowl, and one that combines the two. Chances are that you will only be able to locate the tank number (the one beginning with “ST”) on your actual toilet, but that’s okay because it’s really the only one you need.

toto-twopiece-toilet Be aware that there may be other letters after your model number besides that “E”, but most of these aren’t important. One notable exception is the letter “R”, which means you have a right-hand trip lever (which we’re betting you were already aware of…). If you see a “G”, your toilet has a SanaGloss finish for easy cleaning, and if your two-piece tank number is followed by an “S”, that just means you have a standard toilet rather than an “Eco” model that only uses 1.28 gallons of water per flush. However, on a quick side note, one of the best things about Toto toilets is that even their standard models only use 1.6 gallons of water per flush, making them much more environmentally friendly than many older toilets.

Okay, so now that you’ve found your toilet model number and learned more than you probably ever wanted to know about Toto’s model number system, let’s move on to finding the actual replacement parts you may need. Take your model number and head over to our Toto toilet parts index. There you’ll find pictures of Toto toilets along with model numbers. Just click on your model number and you’ll be taken to page that lists all the repair parts for that particular Toto toilet. Order the ones you need and just sit back and relax. We stock a ton of Toto toilet parts, and if you order before 4:30pm PST on a weekday, we’ll ship your parts out that same day.

Now, we can hear some of you saying right about now, “But what do I do if I can’t find my model number???” Don’t panic. It might require a bit more legwork, but there are still a couple of ways to figure out which replacement parts you need even if you can’t find your Toto toilet model number. One of the things many people enjoy about Toto toilets is their range of distinctive styles. While there may be a couple of similar-looking toilets, we’re confident most people can find their toilet by looking at our Toto toilet picture index. Once you see your toilet, just click on it and you’ll be directed to parts for that model.

toto-toilet-flapper

If for some reason you can’t find your Toto toilet using our picture index, take a pen, paper, and a ruler or measuring tape into the bathroom and measure whichever components you may need to replace. If you’re measuring for a trip lever, note the length of the arm. For fill valves and flush valves, measure from the bottom of the toilet tank to the top of the valve and note this. Be sure to measure the diameter of your flush valve as well. The majority of Toto toilets use a 3” flush valve, which is part of what makes them so efficient with so little water – the water is dumped into the bowl faster and provides a stronger flush with less water – but there are a few older models that use a 2” flush valve, and some models will use a flush valve with a counterbalance flapper. If you have one of these, you’ll know straightaway as they are very distinctive-looking. Another thing you’ll need to note is how the flush valve is installed. Some may use square-ish mounting hardware while others have a simple threaded locknut to secure them.

Take your measurements and start looking through our selection of Toto toilet repair parts. Chances are, you’ll find a match for what you need, but if you can’t find what you’re looking for one of our exceptional customer service representatives will be happy to help you.

Need help with installing your new Toto toilet parts? Check out our Complete Guide to Toilet Repair for video tutorials, FAQs and answers, troubleshooting help, and more!

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