Repeat for the other side. (image from Geberit). Apply silicone caulk between the bowl and the finished wall. Next flush the flexible water supply line to remove air in the supply plumbing (if not already done). Next, install a piece of horizontal 2 x 4 blocking within the wall framing just above the top of the unit. The wall carrier does nothing but hold the toilet. Finished. In my home, there is a customized wall-mount water tank with a sit on floor toliet. Install bowl, flushing mechanism, caulking, Geberit 111.728.00.1 Concealed Toilet Carrier Frame, Geberit 115.770.46.5 Dual-Flush Actuator Plate, TOTO CT418F#01 Aquia Wall-Hung Dual-Flush Toilet Bowl, TOTO Transitional SoftClose SS114#01 Elongated Soft Close SEAT, Simpson Strong Tie GA2 18-Gauge 3-1/4 in. I have not noticed any flex in the wall and I am totally confident that the unit and wall could support 500 lbs or more. (image from Geberit – used with permission). Add an Image to your comments  (Allowed file types: jpg, png, maximum file size: 2MB. Use these marks to determine the cut-off point on the end (non-seal end) of the connector pipes. My Geberit/Toto unit has excellent flushing power (I have never needed a plunger!) Press firmly. Here is a diagram: The good news is you will likely love your wall-mounted toilet – I have nothing but praise for the system after using it for 7 years! Wow. Belmonte Wall Mount/Wall Hung Western Toilet/Commode/Water Closet Cera 55 x 36 x 39 cm (White) 3.0 out of 5 stars 9 ₹6,999 ₹ 6,999 ₹8,520 ₹8,520 Save ₹1,521 (18%) The Monolith system allows you to use Gerberits tank without opening the wall cavity and allows you to still use your existing floor waste pipe. To avoid having to bore holes through what are already undersized floor joists, I decided to run the toilet waste horizontally through the wall, then dropped down into the floor to tie into the original waste line. It is not lost on me that you have caulked around the toilet in your instructions, so I really appreciate your input. To start, I revised the stud cavity width where I planned to mount the unit to accommodate the 23 1/2″ width. What if someone decided to nail into the wall? Geberit also has units designed for deeper walls (2″ x 6″ framing) that allow for a side as well as a vertical waste pipe path. The photo shows the pipe after three plumbers attempted a fix. Geberit also offers the Monolith series that uses their concealed tank mounted within a narrow housing that mounts to the wall (vs. in the wall cavity) and can be used with a “wall” mounted toilet or floor mounted toilet. Great stuff! 3G Decor Sorona Wall Mounted Western Toilet Commode with Hydraulic Seat Cover and Fitting Accessories Rack Bolts Element (535 x 365 x 340 mm) Brand: 3G Decor. Or, do I need to make something out of steel? A professional plumber can measure your water pressure with a tool, or contact your local codes department or water authority department for information on your water supply system. 2. Once flushed, connect the flexible water supply tubing to the tank connection. Use the proper size drill for the fasteners you are using (check the installation documents). Enlist the aid of a helper. by Cabin DIY April 13, 2014, 3:32 pmupdated October 7, 2020, 3:05 pm 119.9k Views 109 Comments. It does look nice but give me a standard toilet and tank anytime. (you could upload them here if you wanted). With the straight pipe replacement I am able to eliminate 2 of those 90’s! Ok, so as far as the problem I encountered, the Geberit steel frame unit is not squared. You can’t get this stuff anywhere you’re used to going. 6. Connect the Geberit supplied supply water valve to the drop ear elbow (after applying several wraps of Teflon tape in a clockwise direction when looking at the distal end of the fitting). Before hiring a plumber, I would ask how much experience they have with these. But, let’s say, again just for future safety when we can forget to reinstall the foam after toilet removal and re-installation, instead of making the pipes shorter by 3mm, they can be shortened by 1-2mm. Place the backup nuts from the wall-mount toilet kit onto the two lower closet carrier bolts and the bolt on the top left-hand side. Hello, thank you for sharing all this wonderful info. Water Closets and Its Parts. As Gary suggested, I used part 366.914.16.1 to do this — I’ve attached front and back photos below. If using a hand saw, consider using a miter box. Baths. Another option, but likely expensive, would be to convert to an on-the-wall carrier/tank system that would cover the old actuator cutout and allow height adjustments like the Geberit Monolith system wall mount toilet system. Check your toilet manufacturer instructions for specific included parts and precise requirements before proceeding. Before tightening the mounting bolts fully, check the level of the toilet bowl and make adjustments as necessary using the leveling washers. Is there any way to lower the toilet without moving the actuator ? I don’t know anything about Gerberit bowls, but I do like their tank / carrier systems. After looking at your photos, your soil line seems to have a lot of turns and what appears to be at least one or more standard 90 degree fitting. Thanks for your response and insight.I didnt’ get a notification on your reply so sorry for the late follow-up. Unfortunately it was stubbed up on the wrong side of a load bearing beam. Right now, I want to add a Flush Actuator on the wall to replace its normal pulling string flush actuator. This blog was instrumental in my selection of the Geberit 111.798.00.1 and the Toto CT418FGNo.01 Aquia Wall-Hung Dual-Flush Toilet bowl. Any thouths on this? I did take care when installing wall trim to avoid fasteners in the area of the waste pipe as it passes through the floor plate of the wall framing. They must end up taking more time than the standard so the plumbers get sloppy. Not only do you have potential structural issues for the wall, I can imagine the many ways the plumbing could fail — seal issues with the waste connections, issues with the supply control, etc., etc. For the toilet waste line, we ran a long sweep (indicated for all drains, especially toilets) 4″ to 3″ Sanitary Tee just under the unit. PVC drain/waste/vent pipe is thinner than PVC supply pipe, that might be what your are describing when you are talking about the different internal diameters. My plumbing house at first said you could access the tank from the flush pedals, but then retracted & said you need to have access from behind the unit. I’ve gotten the standard answer, “We will have our engineers look at this”. 2. Is the distance between the water inlet and waste exit a universal standard? Add 1/8″ to get 3 1/8″. The other side of my bathroom wall is in the dining room so I want to avoid an access panel there. Once passed into the actuator gearbox, turn the control rods to lock in place. I used the stud frame around the tank unit as a frame to screw the access panel to. The bathrooms are also back to back. Toilets. I’m changing the position of the new toilet and putting it on its current side wall. I don’t want an in-wall because I worry about how to get the toliet fixed if it overflows etc. That took a little more usage of my brain (LOL). This has become a major problem for our builders. Hence, easy cleaning and small toilets are the obvious choices. Great job! I was a bit worried about the strength of a wall mounted unit as well, but they are rated for 800 lbs! Open the packet of lubricant from the kit and lightly smear the lubricant onto the closet carrier inlet pipe and the closet carrier drain discharge pipe. Apply silicone caulking to the flat edges on back of the toilet. Hmmm… good questions. My design is minimalistic and ease of cleaning, both of which fit this wall hung criteria. Gary, Can you set the carrier frame component “back” from the wall a bit? I have a Gerberit wall mounted carrier ( https://www.geberitnorthamerica.com/products/installation-systems/system-for-floor-mount-toilets/index.html) with a Nameek floor mounted toilet (http://www.nameeks.com/product/Toilet/Scarabeo-5522.html). With the supply line securely mounted and the supply valve passed into the carrier and properly align, connect the supply valve to the water tank within the unit using the supplied braided stainless steel water line. If using lag bolts be sure to drill the proper size hole into the wood framing prior to installing the bolts. Can I add this actuator between the water tank and the toilet ? The kit is available for both a 3 and 4 inch (90mm and 110mm) waste exit on the toilet. Came out looking good! My setup is very similar to yours. Is his criticism of the Geberit tank accurate? Here’s a pic of my venting below the carrier. Unless this is condensation, you will likely need to remove the unit from the wall and investigate. Swiss Madison Well Made Forever SM-WT442 Concorde Wall Hung Toilet … We also ordered all the fixtures online to save $. Open the bathroom wall where the toilet is to be mounted Plan the location of your wall-mounted toilet. Unfortunately a very expensive large mirror was installed over the entire actuator. If your toilet manufacturer specifies a different measurement, follow the manufacturer directions. Tighten the nut by hand. Even this Geberit manual can be very misleading with their drawing of distances C and 1/8″ which is drawn so it looks like pipe should be cut longer – http://www.chicagofaucets.com/images/bulletins/attachments/ri111.336.00.1.pdf) . Place the toilet in position, then mark the wall fixing holes for the cistern as well as the base of the pan. As long as the toilet in and out openings match the Geberit’s carrier plumbing the system will work. Thanks for the tips. When looking for a suitable plumber, it might help to contact Geberit directly. How do you get to the tank to fix things? 15 plumbers ran away when I showed them the tank. At first I was disappointed that I couldn’t have the Geberit, now we are thrilled. With the 2×4 wall, you will have to cut out the entire 2×4 floor plate to pass the 3″ waste plumbing. Some control rods are sized and colored differently for each flush actuator (check with your install literature). In the end I have a very nice install for half the cost that will last a lot longer. £39.60. If it can be done on an angle, what would the maximum be? Many are also too small to hold today’s super-sized toilet paper rolls. Maybe you can use the offset with the 2×4 frame you just need the equivalent of 2×6 wall clearance behind the wall face (which you appear to have). So much so that I’ve begged my contractor to remove it and replace it with a standard toilet. Tighten the valve nut by hand. Geberit recommends sheathing the wall over a concealed toilet tank wall unit with cement board or similar moisture-resistant sheathing. (image from Geberit – used with permission). This has been infinitely valuable in assisting me with my installation. Looks like there are a few domestic toilets available for this tank, but they might be hard to find. If you do go in-wall, make sure to use sufficient silicone plumbers lubricant (like Dow Corning Molykote o-ring lubricant) on the rubber gaskets to help prevent drying. I still need to temporarily patch the hole in the floor and finish off a couple other minor details. It’s also important to note that the “home made plumbing” you reference for commercial applications is nothing more than a 4 inch pipe in the wall with support on the back of it. The water tank is actually behind the wall and the bowl can be adjusted to fit … To me, it sounds like an installation or an issue with your waste plumbing or venting for that downstairs toilet drain. Remove the pipes from the toilet. I bought a GROHE toilet but now the problem is it does not have the bracket that I see on all the youtube videos, now am worried if they did not give me all the components when they were selling this toilet to me. With the walls and floors of the bathroom open for our renovation, it was easy for us to add the exact plumbing we needed for the unit. Much of that depends on the framing you have in your wall. Once cut, rubber seals connect to the fittings to form a seal with the toilet bowl. Thanks for the visiting and the kind words. Screw the bolts from the closet carrier system into the wall, allowing the bolts to protrude approximately 2-1/8 inches from the finished wall surface. You might also search for commercial plumbers as they tend to install wall mounted toilets more often then residential plumbers would. I do use both flush buttons. However, they provided very poor information on how to install the external trap to connect to the waste outlet. Use a wrench to tighten both nuts 1/4 of a turn. Place the rubber neoprene gasket on the closet outlet waste fitting pipe. When it comes to the wall mount toilet installation, apart form Geberit videos, your site is by far the most informative one. Repeat the process for the inlet pipe. For the Geberit unit, the cover is installed by first pushing the base of the cover against the wall and sliding up to engage the two plastic tabs with the rounded metal springs at the base of the black actuator frame. With the unit securely fastened in the wall cavity and the supply and waste plumbing connected, complete the construction and finishing of the wall over the concealed carrier unit. I found this installation video useful for accurately determining the proper fitting lengths. Expect to spend close to $1,000 for the components alone. Thank you for your superb website. Round bowls require less room and are ideal for small bathrooms. There’s a reason commercial builders don’t buy the in-wall tank setups referenced on 99% of the forums (including here) for home-owners: It’s expensive, problem prone and difficult to install, and has 10x the moving parts and maint requirements. I’m wondering if every bowl has the same specs. Screw the nuts in until the face of the nuts are flush with the surface of the finished wall. Elongated bowls are made to be more comfortable. Ove Wall-hung toilet with Quiet-Close™ seat and cover 17647IN-S-0 Rs.15,500.00 Ove Wall-hung toilet with Quiet-Close™ seat and cover 17647IN-S-0 Rs.15,500.00 Both sides of the unit are potentially at risk for tank and / or pipe puncture. So, to connect this waste fitting, once it is installed in the Geberit unit, just cut it or the rough-in drain pvc pipe to allow for the coupling, then slip on the coupling and tighten the clamp screws. You mentioned that you installed yours with seat height of 17″. It could also be the sewer gas is getting pushed back up and out your basement toilet (you may notice bubbles if someone upstairs drains water or flushes a toilet – maybe a good test to do…). In case acoustic foam is added between the wall and the toilet, I’m not even sure if these 3 mm should be subtracted from the final pipe length. Thank you very much for the information you posted. We are building a new home at the Jersey Shore and had the architect draw in wall mounted toliets. That might explain the poor flushing as well. Wall-mount toilets, commonly used in Europe, use less floor space than traditional floor-mounted toilets. Improper drain plumbing can siphon drain traps dry, even (as sometimes especially) those drain traps not being used. I would recommend buying the official Geberit connection kit. Not sure how that got sideways! Obviously it could be a number of problems. I don’t know how the Geberit was originally installed but I think that the installer used a generic pipe and not one specific to Geberit. Image Credit: Jupiterimages/Polka Dot/Getty Images The term clearance usually refers to the distance from the toilet's sides and front to adjacent walls or the distance from the rear wall to the center of your toilet's closet flange. Our downstairs smells like a disgusting sewer if the toliets go unused for a few weeks. 9. Install the protective splash guard and mud cover prior to finishing. Get someone else to inspect the home and plumbing. See page 9 of the installation instructions – here is the link: Gerebit Wall Hung Toilet Install Instrutions, Your post is excellent, thank you. Hi, Thanks for the valuable comments. We have 2 types in our home – the Geberit Concealed Toliet Carrier downstairs and then, we chose the Glenwall Pressure Assisted Wall-mounted toliets because we were told that Geberit could not be installed on an exterior wall due to freezing issues. Awesome post, GREAT work, will use this as a reference as we install. We love the Glenwall toliets upstairs – They are still off the wall for the cleaning advantages but the tank is there. Do not over-tighten the nuts. This has been a long-term project for me and having your post handy has made it a lot easier. My lower floor’s bathroom was constructed with 7′ ceilings because of the toilet drain from the upper floor’s bathroom – looks cave-like. To compare the two units, isn’t a fair test unless they are both connected to the same plumbing, etc., and they are totally different toilet set-ups – functionally and aesthetically. 5.0 out of 5 stars 1 rating. 3) Mark the location of the above length measured from the non-seal end of the connector pipes. When the toilet is seated and to the wall, install the leveling washers, the steel washers and then the nuts over the mounting rods. The bathrooms and toilet installs look amazing! I picked the toto based on their toilet’s reputation for high function and reliability. Next, secure the drop ear elbow to the wall framing using a block of wood located above the elbow (see above rear view of the unit in step 5). Now you will have the two connector pipes with two marks on them. Cut the supply and waste pipes as outlined above. Installing a wall-mounted toilet requires opening a wall, rerouting the waste pipe, and, if you plan to keep the same flooring, patching the tile under your old toilet. The back side of my tank will be facing a bedroom. Thanks for sharing the images, it is great to see a finished floor mounted toilet with the wall carrier – saves a ton of space and offers the benefits we talked about before. I’m not a fan of cleaning around the toilet anyway, and my fear is that pee will search out grout or caulking like a heat seeking missile, and I will feel the need to clean it more. If the holes are too small, you can crack the framing. Appreciate this board, Gary, which influenced our decision to go with the tank and toilet combo. Mark a line on the pipe with the new measurement. Its about 3.5 ” diameter- not sure how it will fit to the waste either. You can also subscribe without commenting. I don’t know why anyone would use the toilets you’re talking about here, except maybe the wall button looks nicer than the flushometer and you can order it from Home Depot. Suggestions? And they use waxless insert seals like the Ferco ones, which are 10x easier to use and never fail. The foam is close to 5mm thick which will take care of pipes which are measured 1-2 mm too long. Connect supplied shut off valve to 1/2″ supply plumbing then mount so valve is accessible within carrier unit. I think this will provide a better drain for the toilet since there will be fewer bends to go through. It would be hard for me to say enough about the Geberit / Toto wall mounted toilet system we installed. Also, it will be expensive to install etc. The vent pipe in the stud bay to the right goes through the attic and roof. The toilet installation is complete. This way, there is a fair amount of space between the tank and the wall so if someone does nail something on the opposite room, it will not reach the tank. Just lift the normal toilet tank into 5 feet high and use a pipe to connect it to the toilet. If the drips are colored, you could assume a bowl leak – either a seal or the bowl itself could be cracked. Duravit Durafix pan fixing Pack Inc white covers 1002170000. The Duravit 2139090000 is such a model and its reasonably priced (you can see it here). Remove the closet outlet waste fitting pipe and the closet carrier inlet pipe from the pipes in the wall. Demo the wall structure in this area to expose the wall framing and plumbing. Do not use a wrench on these connections! I ended up installing the Kohler K6284 carrier and K6299 toilet. Is it possible to have the waste line run sideways (down) vs straight down? The supply water connectors are made in a similar fashion using the supplied (white) inlet connection fitting. 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