You go at leaks from the outside and not the other way around.
Pour in drain pipe sealer.
Just pour a cup of bleach in the drain line s access opening near the indoor air conditioning unit.
Rectorseal t plus 2 pipe thread sealants are rectorseal t plus 2 pipe thread sealants are a non setting multi purpose compound which contains ptfe plus synthetic fibers to create a stronger seal.
Having said that auto radiator stop leak comes to mind.
To seal a crack from the inside you would have to pour a sealant down that would harden up inside the pipes.
This will stop the leak while you are applying your materials and prevent water from limiting the effectiveness of.
This will kill any algae mold or mildew that has formed in the pipe.
Turn off the supply of fluid to the pvc pipe via the shut off valve if the pvc pipe is a supply line.
I know of no product that would do that without building up on the pipe walls.
Need to repair a leak in a drain pipe no pressure pipe.
At pipe joints junctions or even small cracks in flanges or gaskets a spray leak sealer will seal the leak.
With silicone caulk you must apply an even amount either to the underside of the sink s drain assembly or to the sink immediately around the drain hole opening.
Virtually any part of the tub drain that leaks can be sealed with a spray leak sealer.
Leak stopper product will help.
Like the plumber s putty some silicone caulk may squeeze out from between the drain body and the sink which you must wipe off before it hardens.
Learn more about rubber flex.
We do this when we have a small leak in a kitchen drain trap or a brass pop up.
If the pvc is part of the drainage system don t run water into the drains during the repair.
Professional installers use internal pipe coating to repair an existing sewer pipe that has started to leak into surrounding soil.
It s easier to locate the leak if you still have water or fluid running through it.
Recommended for use on threaded galvanized steel iron brass copper aluminum stainless steel polyethylene fiberglass reinforced pvc cpvc and abs pipe.
I searched google for some product that might seal such a leak from inside the pipes pour down the drain and found this at the plumbingzone.
Rubber flexx waterproof tape is great.
However if you need a quick solution to seal leaking drain pipes there are some at home solutions that can save you some damage to your home.
If the condensate drain line is clogged you will need to use a wet dry vacuum or a special pump to unclog the line.
The pipe is a plastic material that will be impervious to root intrusion for up to 100 years.