Jaeger. There are no soil stacks visible anywhere else. Glue the additional length of pipe into the upstream flange of the fitting. Robbo79, Nov 6, 2007 #1. The start of a toilet waste system is the toilet's own waste outlet, while the main pipe is the soil stack. Add slip coupling to existing pipe at the stack end. Apply PVC cement to those same surfaces and immediately twist the soil pipe into the closet bend. A soil vent pipe is a pipe that take all the waste from the toilet, bath, basin, sink and all other types of soil wastes to an allocated drain but also vents above the house in a safe way to make sure there are no un-wanted fumes and gases. Other terms commonly used include toilet vent pipe and drain waste vent. The horizontal vent pipe runs right next to the closet bend. Step 2: Prep for New Pipe Cut a hole with some wiggle room for the new pipe. Joist directions and house layout prevented a straight forward route under the floor so we planned to drop the soil pipe down by the side of the shower (hidden behind an integrated storage cabinet) into the corridor below. Using a short boss pipe is one of the easiest ways to connect waste pipes the soil pipe stack. 1. Install New Toilet Soil Pipe. Fit a seal to a male plug and screw the plug into the end of the water pipe to close it. Average Labour Cost/Price to Fit/Replace a Soil Stack/Pipe. Also converting the existing utility room, with a shower, WC, and basin, also on the same outside wall. Remove the toilet bowl and cistern . These can range from changing it for aesthetic purposes, your current toilet is leaking or is cracked or you’re moving into a new home and need to upgrade the bathrooms. Waste pipes are run from the intended positions of the new toilet & basin to the new soil pipe outside the house by coring holes in the brickwork with the use of a core drill and diamond core drill bits. Install a 4-inch vertical PVC pipe that extends from a point at least one foot above the toilet bowl to the sewer. Having looked at the building regs Part H Section 2 (Foul drainage) 2.13 says that "the layout of the drainage system should be kept simple. How to plan your plumbing. Connect the cistern to the pan. If you can't move the existing stack or drain pipes, get a no-hub flexible coupling and cut out an additional length of existing pipe equal to the length of the coupling. Continue the stack to above your roof eaves for free ventilation. How to fit a close-coupled toilet. What Happens If The Vent Pipe Becomes Blocked. Install the Soil Pipe and Closet Flange Photo by David Carmack. 3. Locate the two fixing screws under the cistern. The existing hole in the floor is too far forward and would require me to box-out the wall to rest the new cistern against. The existing soil pipe goes through the downstairs loo right past the toilet. It's a 4 bed semi, and we're planning on moving the bathroom from the shared dividing wall, into one of the bedrooms on the outside wall. One thought to avoid digging up the ground outside for a new soil pipe connection was to somehow connect the new toilet soil pipe to the existing one. The biggest challenge was getting all the waste water from the en suite toilet, basin & shower to the nearest soil pipe on the opposite side of the house. When designing a new bathroom you need to take account of the fact that there is a maximum distance that you can locate your new basin, WC and bath from the soil and vent pipe waste stack (SVP) before there is a risk of ‘siphonage’ occurring. However, I want to replace the downstairs wc with a close-coupled unit. Step 3. Does this seem like a logical solution? There are many reasons why you may want to remove and install a new toilet in your bathroom. I'd like to take the old toilet out temporarily, but I don't know how its sealed in the old pipe. Place the toilet in position, then mark the wall fixing holes for … You can cut your water usage significantly by fitting a dual flush toilet mechanism. The next step to replace a toilet is to wipe PVC primer on the inside of the closet bend and on the outside of one end of the soil pipe. How to Install Toilet Drain Pipes By ... if there is enough play in the existing drain pipes to insert the new fitting. Top. I want to put a new toilet in downstairs and connect to the existing foul waste drain/sewer. Installing a toilet If you want to install a toilet, you will need a macerator to reduce any waste to a pulp, plus access to a soil pipe to take any waste to the main sewer. To install a new toilet, first turn off the water supply and remove the old toilet. The drain, ensure the cistern lid and check for leaks next to bottom. If we do go ahead with the bathroom reorganise then I guess I will be investigating the possiblity of routing the toilet waste to the current soil pipe. New soil stack, Done! My builder has said that you cannot have any bends in the waste pipe between the toilet and the sewer. Soil and Vent Pipe is in stock and available in four different colours - Black, Grey, Olive Grey and White. The new toilet will need to be a little higher and I'll need to do some plaster patching and painting before the new loo goes in. New soil pipe installation. Toilet Vent Option 2: Parallel. Follow these steps to install a toilet. Then, lift the toilet onto the floor bolts and jiggle it a bit to seal the drainage hole. Now move on to removing the toilet. 3. It's not too difficult to replace your old toilet, as long as you can connect it to an existing branch of the soil pipe. £130-£200. Once installed you will need a boss adapter to reduce down from the boss connection to the size of the waste pipe required. Captain Leaky New Member. This would involve running the waste from the toilet along the rear wall of the property (about 1.2m to the corner) and then along the side of the property to the existing soil pipe (about 1.5m from the corner). It’s important to make sure you can isolate the water supply and ensure the soil pipe doesn’t need adjusting. I would only form a new "wall" to about 1.2m in height, then put the bath against that. (Dual flush toilets would require two visits so are likely to be at the higher end of the price bracket.) Fit an angled coupling to take the toilet output (in the right place for the toilet). 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