New answers tagged

1 vote
Accepted

Do I need to repair this PVC drain pipe elbow?

It's probably fine as it is. The stuff to use to fix this is a PVC solvent cement that contains a lot of filler, eg: "Marley MCS® Solvent Cement" or you could mix in some ground PVC to ...
Jasen's user avatar
  • 20.4k
11 votes

Restoring collapsed buried pex line?

If the PEX is or can be stripped down to the point where there are no tight bends and no fittings then you can mechanically test for an obstruction. A electrician's fish tape will fit inside the tube. ...
Greg Hill's user avatar
  • 30.2k
3 votes

Restoring collapsed buried pex line?

You'd have to pressurize the line to much beyond what the water will provide in order to expand the soil around the line. You'd need to plug one end and apply an air source to the other. There's a ...
isherwood's user avatar
  • 135k
1 vote

Can I reseal a pipe thread that's leaking?

Applying Teflon tape and pipe dope together doesn't make any sense. It's like applying lubricant on a joint before caulking it. Teflon tape is the lubricant in this framework. It allows better ...
popham's user avatar
  • 8,740
1 vote

What is the condition of my pipe?

From the picture, nothing looks particularly troublesome. Clean things up and keep using it. There's no reason to touch the valve unless you're having a problem with it. One possible failure mode for ...
KMJ's user avatar
  • 10.9k
6 votes

Can I reseal a pipe thread that's leaking?

It's not necessary to thoroughly clean a fitting of prior sealant before re-use. Remove any chunks of tape or dried pipe dope, but don't worry about wiping away the pipe dope residue. Teflon tape ...
Greg Hill's user avatar
  • 30.2k
1 vote
Accepted

What is the condition of my pipe?

Clean up the cement dust and debris from around the copper and those pipes are good for service for another 50 years. Copper ages very well without failing. It is usually something that gets on the ...
RMDman's user avatar
  • 27k
4 votes

Can I reseal a pipe thread that's leaking?

I have had great results using this pipe thread sealer alone. Remove the teflon tape and wipe away the old sealer. The threads do not have to be virgin clean. Apply the new sealer and tighten the ...
RMDman's user avatar
  • 27k
4 votes

Can I reseal a pipe thread that's leaking?

Yes, these sealing products can be removed by mechanical means like picking at it or using a wire brush or pot scourer. Chemicals (like vinegar) are not needed. Then fresh product can be applied and ...
Jasen's user avatar
  • 20.4k
-1 votes

Can I mix galvanized and black (iron) pipe when plumbing for new gas service?

Best check local codes in your area, things change over time. When in doubt, ask the Local Authority Having Jurisdiction -- which in the US is generally the local building inspector. They're the ...
user182796's user avatar
0 votes

How can I fix the noise caused by this hot water heating pipe and my wall?

It sounds like thermal expansion to me. Which means that it is rubbing against things and the friction holds it back for moments until it overcomes it and then repeats. Padding will certainly help. ...
Rohit Gupta's user avatar
  • 6,079
1 vote
Accepted

How can I fix the noise caused by this hot water heating pipe and my wall?

Yes, thermal expansion of pipes against supports is a common reason for noise, and that certainly could be the place it's coming from, though it could also be in the concealed space if you have not ...
Ecnerwal's user avatar
  • 210k
4 votes

DWV vs Schedule 40

Neither Schedule 40 nor DWV rated pipe is required, in most instances, for gravity drainage of storm water. Thinner pipe with SDR ratings, commonly called "drain and sewer pipe", is ...
kreemoweet's user avatar
  • 3,389
12 votes

Hvac drain pipe fell off. Accident or not?

Those don't just fall off. It was impacted and broken off. The proof is in the repair ticket that stated : "Could not remove all the plastic in the drain hole. Will have to return with the saw-...
RMDman's user avatar
  • 27k
1 vote

Replacing ABS Drain Pipe Cleanout

If you cannot stop the leak per @isherwood, you likely have a crack in the fitting as per @RMDman. You have two options: Option 1 - replace the fitting. remove the cracked fitting by cutting the ...
MadMonty's user avatar
  • 749
2 votes

Replacing ABS Drain Pipe Cleanout

The leak we see there probably does not call for replacement of major fittings unless it was abused by overtightening. The plug threads should normally be sealed with PTFE (Teflon) tape or thread ...
isherwood's user avatar
  • 135k

Top 50 recent answers are included