After physically removing any visible debris from the ac drain or drain pipe opening the most likely way the technician will clear the clogged drain is using suction from a shop vacuum or wet vac.
Clogged main drain pipe.
Symptoms of a main sewer drain clog.
If the main sewer drain is clogged it can eventually back up all of the drains in the house which is why such a clog can be so serious.
Determine the cause or source of the clog if possible.
Put on protective glasses and rubber gloves.
Alternatively they might use a garden hose or plumbers snake to remove the clog.
Most large drain cleaners will also have a cable length of 100 feet 30 m which should be long enough to reach any clog.
Stand clear as you remove the plug and as you work on the clog.
Preparing to unclog the line.
At the very least a clogged main sewer drain pipe may cause wastewater and raw sewage to back up through a floor drain into the basement or floor of an hour home.
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.
Using a power washer.
And when this happens you ll soon be able to see and smell sewage coming up from floor drains.
Step 3 unclog the drain line.
If your main sewer line is clogged all the sewage and waste water sitting in the pipes have nowhere to escape.
Which means eventually the sewage will force its way into a secondary drain.
Unless you have a.
Water backs up in shower when toilet flushes.
How to unclog a main sewer line without a snake method 1 of 3.
Waste water may drain out when you open the cleanout and when you break the clog.