how do you connect old plumbing to new plumbing

How to Connect Pipes to Old Lines

• Step 1: Run and Mark Pipe To join a new plastic drainpipe to an old steel pipe, run new pipe into the room. Prime and glue two 5-inch pieces of pipe to a tee fitting. Temporarily run pipe—longer than it needs to be—so it comes near the old pipe. ...
• Step 2: Support the Pipe ...
• Step 3: Position Tee Assembly ...
• Step 4: Cut New Pipe ...

Full Answer

How to connect new pipes to old pipes?

How to Connect New Pipes to Old Lines. 1 Step 1: Run and Mark Pipe. To join a new plastic drainpipe to an old steel pipe, run new pipe into the room. Prime and glue two 5-inch pieces of pipe ... 2 Step 2: Support the Pipe. 3 Step 3: Position Tee Assembly. 4 Step 4: Cut New Pipe.

What should I know before updating my old plumbing?

Before you start updating old plumbing, find out what you should know about your pipes and how to maintain them over the years to come. Check your exposed pipes at least once a year for signs of trouble. Discoloration, flaking, and dimpling of pipes are all symptoms of corrosion that could soon lead to leaks.

How do you connect a new drain to an existing pipe?

October 23, 2017 The most common way to connect a new drain, vent, or supply line to an existing line is to install a tee fitting. To do so, shut off water to existing supply pipes and drain the lines. Flush all toilets and caution others not to use drains.

How do you lay plumbing in a house?

Remove the drywall or plaster from the areas where you will lay your plumbing. And make sure you clear space for your tub or shower. If you have wiring that’s in the way, be sure to shut off power, test the wires to make sure they aren’t “hot,” and then remove the cables that are in the way. Make sure you have a tape measure for careful measuring.

How do you connect two plumbing pipes together?

0:000:51How To Connect PVC Pipe - YouTubeYouTubeStart of suggested clipEnd of suggested clipJoin the two pieces together using a firm quarter turn motion to fully seat the pipe in the fitting.MoreJoin the two pieces together using a firm quarter turn motion to fully seat the pipe in the fitting. Hold the pieces together for at least thirty Seconds.

How do you tie into existing plumbing?

0:182:17How to Tie Into an Existing PVC Plumbing Pipe - YouTubeYouTubeStart of suggested clipEnd of suggested clipFor this job we'll be using a battery-powered saw our glue and primer and a marker so if you'reMoreFor this job we'll be using a battery-powered saw our glue and primer and a marker so if you're wanting to tie in with a tea to your pipes. You'll take the tea. Place it over the pipe.

How do you hook up an existing sewer line?

Cut out a section of pipe, lay in the new pipe, and use couplers to seal the deal.Step 1 – Cut Out Old Pipe. Remove a section of the existing pipe to the same size of the pipe you want to add in. ... Step 2 – Insert Couplings. ... Step 3 – Lay in New Pipe. ... Step 4 – Tighten Couplings. ... Step 5 – Test for Leaks.

How do I connect two drain pipes?

0:462:58HOW TO: Connect Land Drains Together | Drainage Sales - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou need to buy a loose coupler. Now I say loose coupler for a reason that's because it's just aMoreYou need to buy a loose coupler. Now I say loose coupler for a reason that's because it's just a simple push fit you literally just push it into the ribs.

Can a shower and toilet share the same drain?

In short, it is possible to connect the toilet drainage line and the shower drainage line, as long as they both have separate waste trap arms. However, do note that combining them may also lead to blockages, which can cause smells to come from certain drains.

Can you tie into an existing plumbing vent?

Individual vents must rise above the overflow line of the topmost plumbing fixture in the house before you can tie it to the main vent stack. This is a precaution that prevents the vent from becoming a drain if that fixture's drain gets blocked. If the vent slopes up to the main stack, you tie it in with a Y-fitting.

Do you need permission to connect to a sewer?

Public sewers are owned by the sewerage undertaker. Building work on and around a sewer needs permission of the sewer owner. If you intend to build over or close to a public sewer, you will need a written agreement/ consent from your sewerage undertaker.

Is main line and sewer line the same?

Simply put, your mainline is your sewer line. It's the line that goes from your house to the city connection or your septic tank. Before leaving your home, all of your drains dump into your mainline.

What is a wye fitting?

A fitting with three openings, a wye is used to create branch lines. It is a type of tee fitting which has the side inlet pipe entering at a 45° angle, or an angle other than 90 degrees. A standard wye is a "Y" shaped fitting which allows one pipe to be joined to another at a 45 degree angle.

What is used to connect two pipes with each other?

Pipe fittings, also known as pipe connectors, attach one pipe to another in order to lengthen the run or change the flow direction in a plumbing system. These are used to combine, divert or reduce the flow of the water supply, and they come in a variety of sizes to fit the pipe they will connect.

What is it called when you join two pipes together?

Coupling. A pipe coupling is a connector with female threads on both sides that allows two pipes or fittings with male threads to join together. Coupling can be a normal pipe coupling or a hexagonal coupling. Pipe couplings are fittings that help to extend or terminate pipes. Reducing Coupling.

How do you connect two pipes without threads?

You can take several approaches on how to connect unthreaded galvanized pipes. You can try to thread the pipe or use pipe thread tape to create a bond between the two pipes. Another alternative would involve welding the pipes or connecting them using coupling.

How do you attach a tee to an existing PVC pipe?

A PVC saddle tee can be used to quickly add a tee in an existing PVC pipe such as those used in irrigation systems....InstructionsDig up the Area. Expose the PVC pipe where the tee needs to be added. ... Confirm the Size. ... Clean the Installation Area. ... Apply the Glue. ... Install the Tee. ... Drill the Tee. ... Complete the Installation.

Can you tap into PVC pipe?

For plastic, PVC is surprisingly strong and resistant to being tapped. I used a large tap wrench to continue taping the pipe. About every 1/2 turn, you need to back off the tap wrench to break the material. This is the same process that you would follow if you were tapping a metal pipe too.

Can 2 sinks share the same drain?

In most cases, you can easily adapt the supply and drain pipes to accommodate two sinks, using tee fittings, special valves, extension pipes and hoses. You may have to vent each sink separately, though, depending on your local plumbing codes.

How do you splice existing PVC pipe?

3:468:24HOW TO Splice PVC Joint into an Existing PVC Pipe - YouTubeYouTubeStart of suggested clipEnd of suggested clipUntil they reach the halfway point of the width of the coupler. So that we know that the middle ofMoreUntil they reach the halfway point of the width of the coupler. So that we know that the middle of the coupling is directly in between both of the joints. Now we're going to loosely tighten the trees.