How To Clean Out Old Galvanized Drain Pipes

One wrench holds the fitting steady.

How to clean out old galvanized drain pipes. Id use the Tang because 1 it is food-grade stuff 2 citric acid is a weak acid but strongly enough to remove scale great way to clean a dishwasher - put in tang instead of detergent once in a while and 3 it is readily available over-the-counter. You open up the doors to take a closer look and you notice a rust stain running down from where the waste pipe exits the cabinet. Throw 12 cup 120 mL of baking soda into the drain and wash it down with your solution.

I have seen pipes with a 3 inch diameter only flowing about 20 due to 80 blockage especially those galvanized steel lines. Join the two replacement pipes with a union. Apply the pipe cleaner to the pipe.

To do this saw the pipes rent a pipe threader and install unions. Oct 20 2005. If your drain is completely clogged there are some different steps to take.

On a long straight run of galvanized we once put a thin coiled plumbers snake on a 12 drill and ran it through the pipestopping every foot or so and turning on the water to wash out the debris. Joshplumb NY Kitchen sink backed up. It was a slow drain turned into a total blockage after I tried plunging it.

Great way to clean out old clogged sewer pipes. Unsolder the tee connector and then remove the galvanized pipe and replace one or both as necessary does require a medium skillset or 2. So you reach under the kitchen sink to grab some paper towels or some dish soap and everything is soaking wet.

If you cant replace your water pipes straight away cleaning them on the outside can remove rust. Cheryl A on Nov 22 2018. Flush the piping with a mixture of vinegar and baking soda.