If the clog persists remove the hose and manually clear it using a plumbing snake.
Best way to snake a clogged gutter.
If the clog is below grade it s the most difficult to clear and may require excavation.
Insert the end of the plumber s snake in the downspout until it meets resistance.
Run the snake as far into the pipe as far as you can.
Remove the snake from the pipe.
Use your garden hose to run water into the gutters and through the downspout to be certain that it is no longer clogged.
Place the end of a plumber s auger also known as a snake into the underground gutter.
If you can t reach it simply disassemble the downspout and remove the clog.
Turn the hose on and spray down the spout.
But normally you will not have this problem.
If the amount of water coming out is less than what is going in there is a blockage.
Turn the handle counterclockwise if it becomes hard.
Gutters are a beacon to pests for more than one reason.
Start by cleaning the bottom downspout opening.
Watch the end of the downspout for the clog to clear.
Turn the crank and work it back and forth to loosen the clog.
Feed the hose up the downspout from the ground.
Turn on the water spigot wide open to create as much pressure as possible.
If the water does not flow freely through the downspout use your plumbing snake to clear away the last of the stuck debris.
If the moisture and decaying organic matter in a clogged system isn t the primary draw then it s often the fact that gutters high above.
Turn the hose on at full pressure to try to dislodge the clog.
Run water into the opposite end of the pipe.
Run the snake into the opposite end of the drain if it was not long enough to go through the entire pipe from the other end.
To unclog a gutter downspout try your easiest options first.
Feed the snake from the top of the downspout until it hits the obstruction which will usually be found at a curve in the downspout pipe.
Turn the handle clockwise to extend the end of the auger.