Loosen the cap on the drain pipe.
How to unclog main drain line.
Run hot water through your pipes if you have a partial clog.
Do it slowly and allow it to sit for a few seconds before you remove the cap entirely so you can avoid any sudden spillage.
Step 3 unclog the drain line.
Your elbows will feel the pressure but you have to keep on going.
Loosen the cap on the drain pipe.
If standing water is present it can either be soaked up with rags or removed with a wet vac.
Waste water may drain out when you open the cleanout and when you break the clog.
Stand clear as you remove the plug and as you work on the clog.
Step 2 check the drain pan.
Steps to unclog a main drain line.
Fortunately if you notice that your main sewage line is clogged there are several things you can do to remove the block.
Put on a pair of goggles and rubber gloves to protect your eyes and hands from contamination.
Next grab the plunger and the drain you are trying to unclog and begin to push and pull at the stick end of your plunger.
Luckily you can take immediate action to restore your plumbing system to a state of good health.
The dry condensate pan should be thoroughly cleaned to help prevent the growth of mold.
Most large drain cleaners will also have a cable length of 100 feet 30 m which should be long enough to reach any clog.
Find a clean out plug located on a large drain pipe in areas such as your basement crawl space garage or near the foundation of your house.
If the toilets are still flushing fine you probably don t have a blocked sewer line.
It usually looks like a small pipe that sticks about 10 to 12 inches vertically out of the ground.
The first step is to find your main drain cleanout location.
Use a pipe wrench to loosen the cap on your main line drain pipe before you open it entirely.
Get an auger aka a plumbing snake and an adjustable wrench.
Use the pipe wrench to loosen the cap.
To unclog the sewer line with a plunger make sure to stop your water from running if you can.
Remove the plug with an adjustable wrench.
To unclog a main drain you ll need a drain cleaner or sewer snake with a 5 8 3 4 in 1 6 1 9 cm diameter cable.
One of the first things the technician will do is locate the drain pain and check for standing water.
Turn your water on as hot as it will go and let it run for 5 to 10 minutes to dissolve or break up the clog.
If you can still flush your toilet or if water is still draining down the sink you may just have partially clogged pipes.