How do I connect galvanized pipe to PEX?

Asked By: Robyn Hierrezuelo | Last Updated: 2nd March, 2020
Category: business and finance construction industry
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Install a threaded transition fitting to go from galvanized pipe/fitting to PEX tubing. Depending on the type of PEX fittings used, a dielectric union might be needed. Connect the PEX tubing to the fitting using a compatible method. Check connection for accuracy.

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Subsequently, one may also ask, can you use SharkBite fittings on galvanized pipe?

The actual SharkBite push to connect fittings are not designed to press onto galvanized pipe. For mating your PEX to galvanized, SharkBite makes a threaded to press fit transition adapter. You will need to square cut the end of your galvanized pipe and then rethread it.

Beside above, do shark bites ever leak? In general, SharkBite fittings only leak due to one of these reasons: The pipe was not properly deburred prior to installation. The pipe was not properly inserted. The pipe has scratches or debris on the outside that is preventing the O-ring from getting a watertight seal.

Likewise, how do you connect PEX to metal pipe?

A clamp-ring connection connects PEX to existing metal pipe. PEX tubing is crimped onto the male end, and the female end is either soldered or threaded onto existing pipe. In-line fittings are used to connect separate lengths of PEX tubing, to create a branch line, or to add a valve.

What is the life expectancy of galvanized pipe?

Galvanized pipes have an average lifespan that ranges between 40 and 50 years. However, pipes that are well-built, well-installed, and well-maintained can easily exceed the typical lifespan. Read below to learn more about the life span of galvanized pipes.

39 Related Question Answers Found

Should I replace galvanized plumbing?

If some of your taps have low water pressure, but others don't, this could be a symptom of galvanized pipes. Corrosion can build up unevenly. Also, part of the galvanized pipe line could have been replaced in your home, but not everywhere. Galvanized pipes can release iron and cause discoloration.

How far does a pipe go into a SharkBite?

SharkBite Fittings / Pipe Size Compatibility / Pipe Insertion Depth
SharkBite Fitting Size (In.) Nominal Pipe Size Pipe Insertion Depth Fraction (In.)
3/8 3/8 in. CTS 1
1/2 1/2 in. CTS 1
5/8 5/8 in. CTS 1-1/8
3/4 3/4 in. CTS 1-1/8

Do SharkBite fittings last?

How long do SharkBite fittings last? SharkBite fittings last a long time. In fact, SharkBite warrants the fittings for 25 years when used with SharkBite tubing.

Can you use brass fittings with galvanized pipe?

Galvanized pipe and brass pipe are both used for water piping systems. For example, you may need to connect a brass barb to your galvanized pipe system, since galvanized barb fittings can be difficult to find.

How do you connect non threaded galvanized pipe to PEX?


Insert one end of the non-threaded galvanized pipe into the coupling. Align the coupling end with the drawn line on the pipe. Insert the second pipe into the coupling and center the coupling between the two drawn lines.

How do you install a shut off valve for galvanized pipe?

If an old galvanized pipe comes out from the wall, installing a shutoff valve is usually a straightforward job; simply screw a threaded stop valve onto the pipe. If possible unscrew the supply tube at the bottom only, so it remains attached to the faucet or toilet above.

Can you mix plastic and metal plumbing?

Making the connection between plastic pipes such as ABS or PVC and metal pipes such as copper or galvanized steel is very straightforward. The chemicals used in the manufacture of any of these pipes do not react with one another, so you don't have the corrosion factor to worry about.

How do you tap into a PEX water line?

1 Answer. First you need to cut the PEX tubing at the access spot. That can be done with a PEX tubing cutter. Then you acquire the correct type fitting (your size requirement may differ from picture) to rejoin the cut PEX with "T" fitting and a branch connection for an added PEX tubing to go off toward the ice maker.

Can PEX be connected to copper?

You can connect PEX tubing to a threaded copper connection by using a threaded adapter. You can buy these with both male and female threads. Push the PEX pipe onto the barbed connector on the other end of the fitting and secure the PEX pipe with a crimp ring.

Can you screw PVC into galvanized pipe?


You install PVC and CPVC pipes the same way, but you should not mix them. When replacing old galvanized pipes, it's a good idea to cut out and replace as many of the old pipes as you can. Galvanized pipes tend to corrode with age, which restricts flow and makes them vulnerable to leaking.

Can you use a compression fitting on PEX?

Making the connection involves placing the compression insert inside the end of the PEX tubing, sliding the compression ring over the tubing, then securing it with the compression nut. Compression fittings are well suited when you are dealing with multiple connection points, or where disassembly is anticipated.

How do you connect galvanized pipe to CPVC pipe?

How to Connect Galvanized Pipe to CPVC Pipe
  1. Attach a female CPVC adapter onto the CPVC pipe. Brush the inside of the female fitting and the outside of pipe with CPVC primer.
  2. Clean any oils or debris from the galvanized pipe threads.
  3. Screw the CPVC female adapter onto the galvanized pipe threads by hand.

How do I replace galvanized pipe with PVC pipe?

Make the cut anywhere between two threaded couplings. Make two cuts, one near each coupling. Remove the corroded pipe. If you plan to connect to an existing PVC farther down the drain line, cut the galvanized pipe and then cut near the closest end of the PVC pipe.

How do you loosen galvanized pipe fittings?

Turn the pipe wrench on the loose piece of galvanized pipe counter-clockwise to remove the pipe from the galvanized fitting. If the pipe does not turn, slide the two-foot long piece of 1 1/2-inch pipe over the handle of the pipe wrench to gain leverage over the corroded galvanized pipe.

Can you use a compression fitting on galvanized pipe?


BONFIX steel galvanized compression fittings are used in combination with standard commercially available thin-walled steel galvanized pipes. The fittings can be implemented in an operating environment with a temperature range of: 0 °C to +90 °C and a maximum peak temperate of +120 °C.

How do you connect PVC pipe to old cast iron pipe?

First cut your PVC pipe so it is longer and can be inserted a good 6 inches into the cast iron pipe without restricting any other flow in the system. Place the rubber union on the PVC Pipe and then insert the PVC pipe into the center of the cast iron pipe. Now tighten down the hose clamps to make the connection.

How do you clamp a poly pipe?

How to Clamp a Poly Pipe to a Plastic Barb Fitting
  1. Step 1 - Heat the Pipe. Slide your hose clamps over the ends of the pipe that is going to be joined.
  2. Step 2 - Use the Mallet to Drive the Barb into the Pipe. Place your plastic barb over the pipe, and use your rubber mallet to drive it into place.
  3. Step 3 - Tighten the Clamps.