This is why it’s important to calculate your dimensions before you go out and purchase a new toilet. I think the offset is a toilet … Some models go as low as 10 inches and others as high as 14 inches. If the toilet has four closet bolts, measure to the center of one of the rear ones. Compare these two measurements. I am installing a new toilet. models and 14-in. Hi All, I've got a major problem with the installation of my toilet - the plumber in all his wisdom, managed to center the drain 18" from the back wall and now it won't pass inspection as it's too far form the wall behind. The total distance would now be 12 ½”. > from the center drain to the finished wall. TOTO now has a 10" dual flush at the factory. troym. Although 12” is the standard size, some toilets also feature a 10” and a 14” rough-in. 90mm – 250mm. Do you mean, you have got a toilet with a 15.78 in rough-in size and your floor rough-in is 12 inches from the wall? Fortunately, you can obtain an offset flange adapter at most large home supply stores and certainly through a plumbing supply shop. If not, the other option is the 10" toilet. That’s a very usual size toilet. I finally bought a new toilet and installed it today. In this case, 15” of clearance is required. If you’re planning on replacing or readjusting your toilet, you’ll want to ensure that you calculate the toilet rough-in distances. American Standard 8351.076.002 Exposed Yoke Wall-Mount Utility Faucet with Offset Shanks and Metal Lever Handles, Polished Chrome. He began his career in plumbing at the age of 14 while still in high school. To be safe, you can go higher if you want. How Do You Utilize It? JJ. Your second option is to renovate your wall to increase the rough-in distance between the toilet’s drain and the wall surface. Building inspectors are sticklers for compliance with ADA specs, which include the minimum open floor space in front of the toilet. An offset flange can move the opening of the pipe from 11 inches to 10 or 12 inches, for example. The offset flange is a great invention. The wall faced toilet pan sits flush against the bathroom wall. The minimum distance between the toilet and a finished wall on either side is 15 inches. The best 9″ rough-in toilet I have come across so far is the 10-inch rough-in Toto CST744SF.10#01 Drake Two-Piece Toilet (Amazon link #ad). canuck50. I tried installing new gaskets on the tank-bowl bolts, but no help. Depending on whether you have a 8 or 9 inch toilet rough-in you will need to move the wall back one or two inches to accommodate a 10-inch rough-in toilet. 40mm Offset Pan Collars. 12 years ago. The cistern often also disappears behind the installation system. As long as your wax seal is good and the toilet cannot move at all, and it is functioning without leaking, you should be good to go. Lou. The standard distance from the back wall is 12 inches, or 12-1/2 inches from the center of the flange to the wall framing. rough in”. Some of the problems you could potentially face if your dimensions are not accurate include: Trying to install a toilet that’s too big or small for the given space. I could use an offset flange to help get around the joist. Violation of your local plumbing code. Preferred location is just above a floor joist. Wall-mounted toilets ensure that neither the flushing pipe nor the supply pipe can be seen from the outside. The closet you can get would be a 14" rough toilet. I have heard that some building codes do not allow you to use offset flanges, so you should check that. Are they just asking for trouble later with clogs? Remove any leftover water in the tank or toilet bowl with a sponge; Place a large piece of plastic down where you will place the toilet while working it will still have residual water in it and it will leak. The distance from the toilet to the wall is designated during the design phase and the architectural blueprints should reflect that. 15” is the minimum distance from the toilet flange to any sidewall or nearby fixture. Everything is closed in, floor is tiled, and toilet was installed today. What Is the Standard Plumbing Hole for a Toilet? Also any other tips or hints for the plumbing of the waste line would be greatly appreciated. Then measure from the center of the mounting holes to the back of the new toilet you're considering. The problem with this method is that a 2-inch gap will be left between the toilet tank and the wall. You can measure the actual toilet that you pick, but the problem with that is what if a couple of years down the road you have to change the toilet, and it does not fit. If space is restricted, you can ease this measurement a bit by choosing a toilet with small round bowl, instead of an elongated one. This distance is always measured from the center of the toilet bowl. The wall toilet has become the most popular installation type. Mark the outline of the offset pipe beneath the flange onto the floor below with a pencil. I could use an offset flange to help get around the joist. You will need to check the existing water tap location for clearance. From the wall to the centre of the pipe is 30cm! Her education includes marketing and a bachelor's degree in journalism from the University of Kansas. Long radius 40mm offset pan collars such as pan collar 3 work better. The setback of a toilet is determined by the toilet itself. canuck50. For the waste water line, an offset toilet flange will allow you to move the toilet a couple of inches in any direction without having to cut a new hole in the floor or reconstruct the waste water pipe. Other materials like mosaic tile and mortar have different thicknesses than drywall. The offset toilet flange can also be used to move the location of a toilet back towards the wall if it is out too far, or to the left or right for better clearance around other bathroom fixtures. So you will need to minus away the clearance distance to get the actual length of the toilet. Type above and press Enter to search. Measure from the wall behind the toilet to the center of one of the closet bolts (which hold the toilet down). The distance from the front of your toilet to any wall or fixture is based on your local plumbing code. Get it as soon as Thu, Dec 31. When calculating your toilet's measurement from the wall, never solely calculate based on the toilet's dimensions alone, as these do not include the tank. 16. Good luck, Bob. The next option for 16″ offset toilet is to install a normal 14-inch rough-in toilet. But if you're building from scratch, you can choose your toilet first and tailor your plumbing accordingly. © Copyright 2020 Hearst Communications, Inc. Press Esc to cancel. It sounds like you tiled the wall behind the toilet with some fairly thick tile. Preferred location is just above a floor joist. The correct amount of space on both the right and left side of the toilet. It’s important that you get these calculation correct, so your toilet rough-in measurements are extremely accurate. I created this video with the YouTube Video Editor (http://www.youtube.com/editor) What is the Right Shower Drain Pipe Size? The reason why it’s so important to get your toilet rough-in dimensions as accurate as possible is to prevent unnecessary issues. The typical offset is 12-inches for most residential toilets. Canuck. You must have a 15" rough. In front of the toilet, it's recommended you have a minimum of 24 inches, though some codes go as low as 21 inches. The difference between each style Back to wall toilet cisterns are attached directly to the bathroom wall, which allows the pipes to be hidden. I would install a cabinet on the wall behind the toilet then. Space is limited. If not, the other option is the 10" toilet. Any plumbers there that have used these. Install an offset toilet flange. If you used ½” drywall, add an extra ½”. Wall hung toilets can have a tank that is attached to it like a floor mounted toilet, or use a flushometer. The framing could have been moved, or boxed out. Offset Toilet Flange. Some brands have a tank that would be perhaps 2" thicker. Most 12" rough toilets have 3/4" behind the toilet, thus they will mount with 11.25" from the wall, measured from the wall to the center of the drain. However, if your jurisdiction is listed under the UPC (Uniform Plumbing Code), you’ll need a bare minimum of 24” of clearance. Consider your budget and check with your plumber to find out which one will work best with your existing bathroom's setup. Just like before, if your wall has ½” drywall, you’ll need to add a ½” to the overall length. If your rough in isn’t 10, 12, or 14 inches, you’ll need to replace the current flange with an offset flange before you install your toilet. the depth from the back wall is fine, I think the toilet will be too close to the side wall. Leakage from the flange. It’s important to know specifically what your toilet’s rough-in size is before you calculate the distance from the flange to the back wall. You won’t be sorry. Glenda Taylor is a contractor and a full-time writer specializing in construction writing. To calculate this distance, you’ll want to measure from the very front edge of the toilet to any wall or fixture in front of it. If the floor is bare, with only the flange, which sits on top of the toilet drainpipe, measure from the wall to the midpoint of the flange opening. What Is the Minimum Amount of Space Needed for a Toilet? If you measure correctly, there will be a few inch gap between the tank and wall (which is important to access the tank). It was built around 1979. My Price $0.00 (inc.gst) CMP $0.00 (inc.gst) Enter your postcode to see pricing. There's no way to move the drain; it's in the foundation in 3' of concrete with rebar. Currently unavailable. I've heard from a few plumbers who think the offset angle restricts water flow and results in a less powerful flush, but even if that were true, there are more powerful flush valves that will help overcome such concerns. The problem: the toilet is 3 1/2 inches away from the wall and looks awful. You typically find 10 and 14 inch clearances in older buildings. Can I use an offset flange to move the toilet laterally versus forward? If the toilet is already in place, measure to the halfway point of the flange bolt, or the halfway point of the bolt cap, on the toilet bowl's base. An offset flange really isn't a good solution to your problem. These toilets usually have a set-out range like a link connector suite when applying an s-trap configuration e.g. This is measured from the toilet’s centerline, not from the outside edge. That's how American Standard measures its toilet length. This is because toilet paper and faecal matter gets caught in the offset. There are problems that may be common to both or problems that are the same but treated differently based on the wall hung toilet's setup. When the drain pipe is too close to the wall, using an offset toilet flange allows the location of the toilet to be shifted by several inches, moving it to a more appropriate placement in the bathroom. 13 years ago. These toilet pans are easy to clean and complement a contemporary styled bathroom. I am installing a new toilet. The drain pipe is too close to the wall… If you’re unsure if your toilet has a 12” rough-in, you can look in the owner’s manual. If the toilet has four closet bolts, measure to the center of one of the rear ones. The center of the water closet flange should be 12-inches from the back wall. Even if you were to switch brands and use a 2" offset, it would still be away from the wall. Typically, you need a minimum of 48 inches by 66 inches of open space in an ADA-compliant toilet area. Mosaic tile for example has a thickness of 3/8” and mortar has a 1/8” thickness. Benefits and advantages of the Plastic Oddities Offset Toilet Flange (POF100) By following the tips listed above, you can ensure your toilet will fit right, will work well, and will be as comfortable as possible when you’re using it. Space is limited. If the base of the new toilet is shorter than the distance between the rear bolt holes and the wall, it should fit. If your drywall is thicker, then just add a little more. This is also true for the space in front of the toilet to the facing wall, which will be more comfortable if it’s at least 30 inches. Featured Answer. Fast forward 4 months later. S-trap set-out measurement. The wall hung toilet pan saves space and is easier to clean. If a family member is physically disabled or if you’re adding or remodeling a bathroom in a business, additional codes apply. If the toilet sits opposite a shower door, 30 inches is the minimum distance between the two fixtures, but 36 inches gives you a little more wiggle room. Miscalculations can result in unnecessary problems like leaking or uncomfortable seating. Choose a toilet with a larger measurement you’re your rough in and you’ll have a large gap (several inches) between the back of the toilet and your wall. She also enjoys writing business and finance, food and drink and pet-related articles. offset from the wall for the toilet drain? The right amount of space in front of the toilet bowl. When you measure this distance, make sure you measure from the finished wall and not the base molding. The standard distance from the back wall is 12 inches, or 12-1/2 inches from the center of the flange to the wall framing. If the water line is too low, you’ll have to notch the trim. The overall toilet length includes the clearance gap between the wall and the back of the toilet tank. The measurements listed above are for your basic toilet featuring a 12” rough-in. If your drywall is thicker than that, add more. If possible, however, increase the distance from the toilet centerline to the wall framing to 18-1/2 inches to make it more comfortable to use the toilet. Toilet pan connectors available include the 90-degree pan connector, Macfit toilet pan connector, Macfit flexible pan connector and McAlpine pan connectors with a long bend. Position an offset toilet flange over the soil pipe and measure from the center of the flange to the wall to find the mounting angle and position closest to 12 inches from the wall. Choose a toilet with a larger measurement you’re your rough in and you’ll have a large gap (several inches) between the back of the toilet and your wall. The best and easiest option for 8″ rough-in settings is to dig out and replace your existing toilet flange or drain outlet at the floor with a toilet offset flange.. “Toilet flange” is the drain outlet connection accessory on the floor, into which your toilet is bolted onto. This is the best method for installing toilets with non-standard rough-ins. To begin, you’ll want to equip yourself with a tape measure, so you can be sure you’re as accurate as can be. You can add more space if you want, but 15” is the very minimum. This means the toilet flange should be 15” from the vanity, the shower, the tub, and both the back and side walls. Notice the length is measured from the wall to the front tip of the toilet bowl. When using a normal flange in such a situation, the toilet ends up being mounted in an awkward spot, typically either too close or too far from the wall. from the wall. Determine the toilet wall where the back of the toilet tank will be, measure it from end to end and spray a dot of marking paint on the floor at the center point. The toilet flange distance from wall (also known as a closet flange) is the pipe fitting which mounts a toilet to the floor, connecting the toilet drain to the drain pipe. An offset flange can move the opening of the pipe from 11 inches to 10 or 12 inches, for example. The drain location for my toilet (concrete floor white PVC flange currently in place) may turn out to be a little too close to the side wall. How to Install an Offset Toilet Flange . Below is the diagram I took from its specification sheet. I also don't want to furr out the wall. If a floor joist interferes with setting the toilet flange, install an offset toilet flange to ensure that you meet minimum code requirements. Excludes trade quotes, stock liquidations, commercial quantities and MarketLink products. 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