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How to Install New Plumbing Lines for a Toilet

When installing new plumbing lines for a toilet, one needs to garner the necessary tools first. If one intends to do it by themselves, they must have basic knowledge of plumbing activities to avoid experiencing installation mistakes. Moreover, calling a professional can be a good idea as they will execute the task as required.

Keep in mind that one should check with the local authorities when installing plumbing lines in a new area. This helps one to familiarize themselves with building codes and permit requirements. After that, they can plan and get down to work.

Waste and Vent Pipes

Tools and Materials

● Shut off valve

● Flange

● Two-piece toilet

● Wax ring

● Supply tube

● Bolts

● Cutter for tubing

● Screwdrivers

● Adjustable wrenches

● Mini hacksaw

1. Check the Piping Layout

Locate the pipes' paths in the basement or crawlspace and check how they get into the house and exit. Also, check where other large waste drain pipes are and determine the pipes used for venting. This helps one have easy access to the main stack, drain pipes, and vent pipes. One will also have a seamless time connecting the toilet and sewer line replacement Loveland.

After checking the layout, design how the pipes will be located. When designing how the pipes will be located, one has to engage in some activities such as opening walls and removing flooring when required. A few bends may also be required for a direct drain connection.

2. Conform to the Building Codes

Building codes govern aspects such as the size of the drain pipe or the vent. Check the building codes to ensure that the sewer line repair Loveland is up to par with limits on how the toilet drain pipe is before and after connecting to the stack.

Ensure There Is Room for Sanitary Tee

A sanitary tee is important when installing a new toilet as it helps in sewage flow in the horizontal outlet pipe. Ensure that there is enough space to connect the sanitary tee to the main stack and the horizontal drain.

Install a vertical pipe that runs from one foot above the toilet bowl to the sewer. Tie it to the sewer using a Y-shaped fitting. If one is using a plastic pipe, use a plastic fitting. But if the sewer is cast iron, use a cast iron Y fitting with a threaded inlet. Then glue the soil stack to the plastic Y-fitting or PVC adapter with cement.

3. Cut and Assemble Drain Pipes

Before gluing, cut and assemble the pipes. This is important in ensuring that the pipes are in the right lengths and they will fit in the designated spaces. Make sure that the fittings available will match the pipes to the drain and vent pipes.

After that, one can check the stack for adequate support. Ensure that the stack has firm support above and below the area designated for the connection. If more reinforcement is required, add support braces.

4. Apply Pipe Cleaner and Glue

Start with applying the pipe cleaner and then the glue on the flange and the fitting. Insert the fitting and fix it completely to the flange if the existing drain pipe has enough play. If the existing stack cannot be moved, use a no-hub flexible coupling to cut the extra pipe length. Then glue the extra pipe length in the upstream flange.

Put the coupling onto the upstream existing pipe and glue the fittings in the downstream pipe. Fit in the coupling in the joint and tighten.

Water Supply Pipes

What’s Required

● Wye fitting

● PVC pipe

● PVC cement

● PVC threaded adapter

● Closet flange

● Closet elbow

● Reciprocating saw

● Sanitary tee

● Pipe cutter

● Copper tee

● Pipe clamp

● Shut off valve

● Soldering supplies

● Copper pipe and fittings

● Plastic reducer

After garnering the required tools and materials, follow the following procedure:

  1. Check for an existing copper pipe with cold water that is near the toilet. Shut the water supply and use a pipe cutter to cut it—solder in a copper tee with an outlet.

  2. Use copper pipes and fittings to create a supply line for the toilet. The supply line should run from the tee to behind the toilet wall. After assembling all the supply lines, solder them and

fix the line in a sturdy position.

  1. Use a shut-off valve to cut off the water supply line and solder the valves to the pipes. Alternatively, one can use a compression fitting to install a valve. Ensure that the valve is closed before turning the water back on.


● If the installation is being conducted in an existing stack, the only activities to be conducted are the installation of the waste and supply lines. Also, note that the toilet should be placed within 10 feet of the stack.

● Ensure that the vent pipes are either upwards or horizontal from the toilet during the installation.

● If one does not have plumbing knowledge, it would be wise to consult plumbing services, Loveland. This is because when the pipes are not connected correctly, leakages may be witnessed and may pose dangerous health risks.

● Before conducting any plumbing Loveland, get a permit from the local building department. This helps one conduct activities in line with the local authority’s recommendations.

Bottom Line

Plumbing repairs and services are vital in ensuring the free flow of waste and water in the toilets. The installation of new plumbing lines for a toilet can be conducted as a DIY project or contact a licensed plumber if one does not have adequate experience in plumbing. If one settles on the DIY route, it’s important to note that installation can be a complex undertaking, especially when there are obstructions, and if the pipes are installed inappropriately, the toilet won’t work as required.

First, one is required to collect the necessary tools and materials for the task. Then familiarize yourself with the building codes before planning the work. Finally, follow the above steps by starting with the waste and vent repairs and finalizing with the water supply pipes.

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