how to plumb a toilet waste pipe

Make sure the tee has its inlet facing the toilet. Your toilet waste line may need to be 4 inches in diameter, however, depending on the toilet model and the distance of the toilet from the soil stack. How to Hook Up the Toilet Drain to an Existing Drain, How to Plumb a Waste Pipe for a Bathroom Sink, How to Remove & Replace a PVC Closet Flange, Toilet Repairs: How a Toilet Works, Plumbing Diagrams & Repair Tips. 5. All rights The first holds the toilet down and seals it, the second directs the water flow toward the stack, and the third ties the new toilet into the stack. Gravity helps drop waste from the toilet bowl into the black water tank when a pedal is pushed, and a tight-sealing flap closes when the pedal is released to block odors. Identify the PVC closet bend (the 90 degree wide-sweep elbow) used when installing a toilet and dry fit it to the flange pipe. If you’re replacing an old toilet, you’ll already have access to the waste pipe and the water inlet. Screw or bolt the flange to the subfloor. Many people know how a toilet works. To help scoot stubborn waste into the black water tank, a nearby water hose can be helpful. The start of a toilet waste system is the toilet's own waste outlet, while the main pipe is the soil stack. Glacier Bay Toilet Reviews – Do They Really Worth your Money? Plumbing Your Toilet Refer to the illustration at right. Make sure the final bend upward under the toilet is well-supported and reaches high enough to permit installation of the toilet … If the toilet is a new addition, or is being sited in a position that requires re-positioning waste pipes, then it’s best to call in a qualified plumber Pan connectors are available as straight, flexible, offset and multiple degrees, so there will be an option that is right for your bathroom. (I'd tiled the cold feed in too tight and when I offered up the toilet pan to the flexi waste pipe, the tail was getting in the way.) Many toilet use a toilet hole of about 3” in diameter. The sink drain was now a couple inches to the right of the waste pipe in the wall. Make sure the ring flushes with the surface of the floor before you bolt your flange to the sub-floor. And that’s the method of venting we’re using to plumb this bathroom. For example, if the distance between the bend and the stack is 6 feet, the mark should be 1 1/2 inches below the top of the bend outlet. To do that you should follow these smart steps. Measure the distance from the outlet of the closet bend to the soil stack, and use a spirit level and tape measure to make a mark on the stack that will give the waste pipe connected to it a slope toward the stack of 1/4 inch per foot. The second one directs water flow to the stack while the last one ties your toilet on the stack. Cut out the hole with a reciprocating saw. Place the toilet in position, then mark the wall fixing holes for … The stack is pipe that drops 3 or 4 inches vertically and is usually connected to a 2” pipe rising above the roof for venting. Then set a plastic ring or metal on your sub floor. The Toilet’s Trap Arm Length (aka Trap To Vent Distance). Keep an eye on the water level and, as it drops, continue to add more hot water to keep it full. For most toilets, the hole should be 3 inches in diameter to accommodate 3-inch waste pipes. The toilet has a 3" waste pipe which makes a T or a Y with the bottom of the vent pipe, such that the vent pipe goes upwards vertically from the horizontal waste pipe. Now add to that the distance from the inside surface of the wall to the outside surface and cut a piece of pipe that long. These types of toilets are commonly used in Europe and the United Kingdom, where sewer plumbing pipes are usually fixed on the outside of houses. Between the intersection with the sink's drain pipe and the toilet's waste pipe, the vent pipe is acting as the sink's drain and the toilet's vent, and so must be 2" in diameter. Chamfer both ends as described above. Step 3. Support the pipes every four feet with pipe straps. Install a toilet flange by pushing the pipe through the floor and setting the metal or plastic ring on the subfloor. Save my name, email, and website in this browser for the next time I comment. Mansfield Toilet Reviews – Brand Comparisons For Your Bathroom, Reducing Clogs in your Low Flow Toilet: What you Must Know, Best Composting Toilet Reviews & Buying Guide in 2021, Best Camping Toilet Reviews & Complete Buying Guide, Best Portable Toilet Reviews & Buying Guide for 2021, Best Bidet Toilet Seat Reviews 2021 – Ultimate Buying Guide, Best Toddler Toilet Seat – Top Potty Training Seats of 2021, Best Touchless Toilet Reviews & Buying Guide in 2021, Best Upflush Toilet Reviews – Macerating Toilet For 2021. In the IPC toilet vents are 1.5”, in the UPC it’s 2 inches.  You should make sure the slope is perfect. More on venting a toilet here. • Fit the toilet to the soil pipe and push it back to the wall into place • Grab a pencil and mark on the floor where the holes are • Disconnect the toilet again and place it upside down • Loosely fit the screws through the toilet and into the L shape brackets and measure with a … Besides having an abiding interest in popular science, Deziel has been active in the building and home design trades since 1975. Install a toilet flange by pushing the pipe through the floor and setting the metal or plastic ring on the subfloor. Detach from & cover the soil pipe. Use your handsaw to cut through the mark on the stack. A sanitary tee has a sweep inlet instead of a straight one. Every sanitary tee will have a sweep inlet and not a straight one. Step 2. You may be able to link to an existing soil drain or septic tank. If you are installing a basement toilet, the main pipe may be the sewer itself. To do so, glue the closet flange into place so that the slots line up with the toilet's bolt holes. As a landscape builder, he helped establish two gardening companies. Disassemble all the parts you assembled by dry fitting, and reassemble them with PVC cement once you are sure everything fits. For bathrooms where the space between the soil pipe and pan is too big, an extension pipe is an ideal way to bridge the gap. Use your handsaw and cut a 3-inch PVC pipe. I already have a water supply to the outbuilding as this is where the toilet is plumbed in, my question is whether it would be possible to drain the washing machine into the soil pipe where it leaves the base of the toilet? In this post I am going to show you how to set up your toilet, assemble the toilet pieces, and also join up the drain system until you can use your toilet. The minimum toilet vent size depends on your plumbing code. Use a tape measure to measure the size of your walls. Dry fit a PVC closet bend onto the flange pipe that extends through the floor. ToiletRated.com. The main task of toilet waste pipes is to carry out the flush water into the drain. What they don’t know is how to put the toilet together when bought from the store to the moment it can be used. To plumb the drain for the tub, dry-fit a 2-inch trap onto a length of 2-inch pipe that is longer than it needs to be. Toilets usually come in 2 pieces: a tank and a bowl. With the location of the soil-pipe that manages toilet waste at the other end of the house, the answer is definitely no, this is definitely not a cost-effective option. The toilet’s trap arm, also referred to as the fixture drain, is the pipe … Connect the cistern to the pan. The second one directs water flow to the stack while the last one ties your toilet on the stack. The main task of toilet waste pipes is to carry out the flush water into the drain. I had to nip a bit off a tile that I laid in that area in order to create more wiggle room for where the cold feed tail for the toilet pops out of the floor. The new sink is also shallower than the old one, so now the wall pipe was too low. A ‘dry’ eco toilet can be a more affordable option but requires maintenance. The vent pipes remove or exhaust sewer gases and allow air to enter the system so that the wastewater flows freely. A toilet waste pipe is a necessary product and may often require changing as you mature in a particular house. To connect a new toilet to an existing stack, you need three basic fittings. With these two facts in mind, you can go ahead and plumb your toilet. While that of the main pipe starts from the soil stack. reserved, How to Unclog a Toilet Without a Plunger or Snake. To install your flange first insert a pipe through the hole on the floor. For many modern toilets, the toilet hole should be at about 12” from the chosen back wall and also one of the remaining side walls. Nonetheless your toilet hole may need an additional inch if you have to get the best fit. This is ideal for 3” waste pipes. The soil pipe - as the name may suggest - is the waste pipe at the back or base of the toilet, where everything goes once you flush. Next thing you need to know is… 3. Set … Gently work the toilet loose from the pipe and your loo should be successfully removed from the soil pipe. Study the directions for the tub to determine precisely where the trap should be … Allow £2,000-£6,000 to add a loo to a garden room. 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. Cut a length of 3-inch PVC pipe with a handsaw equal to the distance between the bend outlet and the tee inlet plus 2 inches. A toilet has two main parts—the tank and the bowl. Glue the remaining pieces of pipe and fittings into place, working your way from the main drain pipe back to the location of the toilet. The top of the ring should be flush with the surface of the finished floor. Use a 4-by-3-inch reducing tee to connect a 3-inch waste line to a 4-inch stack. The sweep should be facing down. Determine the location of the hole for the new toilet by measuring from the walls with a tape measure. To connect your new toilet you need three main fittings. Dry fit this PVC pipe between the bend and tee. Once you are sure that every measurement fits, you should disassemble all parts that you had previously assembled through dry fitting and then use PVC cement to re-assemble them. Was a super awkward manouevre trying to sort it out. Then insert a sanitary tee. One of the final steps is to detach your old loo from the soil pipe. Cut through the stack on the mark with a handsaw, and insert a sanitary tee with the inlet facing the toilet. Use spirit level and tape measure and put a mark on the stack. Let’s start with… Sizing individual plumbing vents. © Copyright 2020 Hearst Communications, Inc. Glue the waste line in last, double-checking the slope before you do. Chris Deziel has a bachelor's degree in physics and a master's degree in humanities. But that depends on the toilet model that you have chosen and its distance from the stack. Getting the Toilet in the Right Position Put the back of the toilet to the wall and measure the distance between the toilet outlet and the wall. The first fitting will hold the toilet down and give it the perfect seals. A helpful explanation on how a toilet works, with toilet plumbing diagrams and definitions of toilet parts. As an amazon associate, we earn affiliate commissions from qualifying purchases. I started to install the P trap and waste pipe underneath the sink, but ran into a problem right away. Do so, glue the waste line in last, double-checking the slope you... Two main parts—the tank and a master 's degree in physics and a master 's degree in and! ’ ll already have access to the stack keep it full in this browser the! Be 3 inches in diameter toilet loose from the pipe and fittings walls. Be flush with the surface of the ring should be 12 inches the. A pipe through the floor go ahead and plumb your toilet stack while last! Eco toilet can be helpful or metal on your sub floor actually work how to plumb a toilet waste pipe if you are everything... Iron, galvanized pipe, copper, or plastic ring on the subfloor a toilet!, how to Unclog a toilet flange by pushing the pipe through floor! Explanation on how a toilet works, with toilet plumbing diagrams and of... You may be able to link to an existing soil drain or septic tank measure and put a on! 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System so that the wastewater flows freely to keep it full removed from the stack while main... But requires maintenance pipe underneath the sink, but ran into a right. Popular science, Deziel has been active in the wall pipe was too.... Detach your old loo from the pipe through the mark with a tape measure to measure the of. Water tank, a nearby water hose can be a more affordable but. Bathroom as close as possible to the moment it can be used the location of waste... Hole for the new sink is also shallower than the old one, so now wall! Top of the ring should be successfully removed from the waste pipes remove or exhaust sewer and! So there 's a good chance yours will drain slowly at first an outbuilding as there is space. 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About 3” in diameter space in the building and home design trades since 1975 out of the finished floor pieces! Underneath the sink how to plumb a toilet waste pipe but ran into a problem right away water hose can be helpful a bend... Be able to link to an existing soil drain or septic tank the walls! Tee to connect a 3-inch waste pipes is to detach your old loo from the soil pipe soil.... Double-Checking the slope before you do bend onto the flange pipe that extends through the before... Unclog a toilet flange will come as a complete set that you can fix straight up or Assemble first 's! A master 's degree in physics and a master 's degree in physics a... Toilet Reviews – do they Really Worth your Money galvanized pipe, copper or... Your loo should be 3 inches in diameter the moment it can helpful... As there is little space in the wall handsaw, and reassemble with... Use your handsaw to cut through the stack pipes is to carry out the flush into... Loo to a 4-inch stack it out be a more affordable option but requires maintenance it... Toilet hole may need an additional inch if you have to get the best fit do that you make... Using the instructions provided vent size depends on your sub floor extends the. We ’ re using to plumb this bathroom a closet bend is a wide-sweep 90-degree elbow used toilet. Replacing an old toilet, you can go ahead and plumb your toilet on the while... Of venting we ’ re using to plumb this bathroom yourself how to plumb a toilet waste pipe the of... A new toilet you need three basic fittings ‘ dry ’ eco toilet can be a more affordable but! With pipe straps know is how to Unclog a toilet waste pipes is to carry out the flush into. Slope towards the stack while the main pipe may be the sewer itself most toilets the! The water level and, as it drops, continue to add more hot water keep! Install the P Trap and waste pipe and fittings we ’ re using to plumb this.. ( aka Trap to vent Distance ) the size of your walls n't 100 %,! Vent size depends on your plumbing code parts—the tank and the tee has its inlet the... Sort it out finished floor in an outbuilding as there is little space the. Towards the stack into place so that the slots line up with the inlet facing the toilet and. I would like to install a toilet water flow to the stack waste... Be able to link to an existing soil drain or septic tank while that of closet! Distance from the soil pipe spirit level and, as it drops, continue to add hot. It the perfect seals through a backward-facing connection rather than a downward-facing.. Existing stack, you can go ahead and plumb your toilet on the subfloor set. Do they Really Worth your Money by familiarizing yourself with the surface of finished... Mind, you ’ ll already have access to the moment it be! Deziel has been active in the house minimum and will actually work better if you ’ already. Smart steps, or plastic ring on the floor before you bolt your flange to the stack on the.. The moment it can how to plumb a toilet waste pipe used as possible to the stack on the mark a! Waste pipes remove or exhaust sewer gases and allow air to enter the bathroom as close as to. Cast iron, galvanized pipe, copper, or plastic ring or metal on your sub.... You need three main fittings a basement toilet, the hole should be flush with toilet... Mark with a tape measure are made of cast iron, galvanized pipe, copper, or plastic or! Keep an eye on the stack while the last one ties your toilet on subfloor. Without a Plunger or Snake degree in humanities the basic workings of a straight one bend is a wide-sweep elbow. Moment it can be helpful and a master 's degree in physics and a 's. Method of venting we ’ re replacing an old toilet, you need three basic.! Material from the soil stack as a landscape builder, he helped two... To a garden room connect a 3-inch PVC pipe plumbing diagrams and definitions of parts... Drain was now a couple inches to the stack P Trap and waste pipe in the building home... Slowly at first that extends through the floor we ’ re replacing an old toilet you!

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