Rated 4.1 out of 5 by 12
Rated 5.0 out of 5.0 by DEstefan Works Well
I didn't buy this pop-up drainage emitter to use for my downspouts, which certainly would work too. I used it to connect to the pipe that comes from my sump pump. The is only 2 inch diameter, so I had to use a reducer, but it works very well.
Some reviews mention that it might get damaged but the lawn mower, but if you put it level with the soil it can't get sucked up high enough to get damaged by the mower. I certainly haven't had any problems.
I like the product because it is easy to install and it looks good, is not obvious in the grass. Since it automatically closes it also prevents dirt and leaves from falling into the drainage pipe.
November 23, 2015
Rated 5.0 out of 5.0 by jamest Works great
I installed the NDS 4 in Drainage Emitter cover on an underground gutter drain. We were having problems with debris getting through the grate and clogging up the drain. This solved the problem. I initially had problems with a real heavy rain washing the cover off and our dog pulling it off. That was easily solved with a single self-taping screw. I provided some photos.
November 11, 2015
Rated 4.0 out of 5.0 by sacherjj Watch the mover
This works well for the most part. Plumbs in with your lawn drainage and stays out of the way when water doesn't need to flow. Although you get standing water inside the elbow and tubes on a gentle slope, where a typical gravel bed ending would not. However, it is much easier to install and can't really get saturated and stop draining.
The only real negative I've found with this is due to the light weight of the pop up part. You need to be very careful if you have a strong uplift mower. I scraped the top of it up and was glad I was mowing with my max height.
All in all it is a quick drainage solution and works well.
April 29, 2016
Rated 5.0 out of 5.0 by Sebastian The best part of the drainage system.
The NDS 4 in. pop-Up Drainage Emitters with Elbow works very well. It rained after 8 hours after installation, and I have added a short video to demonstrate how well it works.
Thanks NDS, for your technology. it really works very well.
October 31, 2015
Rated 5.0 out of 5.0 by jspro good design
I recommend these popup drain emitters for several reasons. They are good quality material, right sized, and easy to install. I especially like that the corragated hose fits into the popup rather than fighting to get it to fit around the plain black elbows. I think the popups give better drainage. I reworked all my gutter drains in the front of the house to avoid water running down the driveway and sidewalk. It now drains into the yard rather than down the driveway and sidewalk. The pop ups are more cleaner than having splashblocks in the way.
January 11, 2016
Rated 5.0 out of 5.0 by Gerg Open when you need it, closed when you don't
I needed a way to terminate a drain pipe carrying water from the back of my garage to the front but I didn't want an exposed drain along my driveway. This is the perfect solution. It slips on 4 inch perforated drain pipe and allows the water to flow out and into the paved drain that starts about halfway down my driveway. I was a bit worried about standing water in the end of the pipe but a drain comes cut in the bottom of the elbow allowing any residual water to drain into the surrounding soil. If you bury the pipe in a properly designed drainage channel you will have no worries.
November 24, 2015
Rated 5.0 out of 5.0 by PainterPete Perfect for routing drain water away from your house
After many years of having issues with rain gutter water around my back yard patio, I decideD to take on the task of routing the water away from the house. I debated if I should route it to a "drywell" or out an emitter.
I decided upon the emitter and I am glad I did AFTER seeing it work. I routed a 4" pipe out to an area of my lawn that always seemed a bit dry in very hot Summers. the Last 8' run of "4 pipe I used perforated. I figured the pop-up would be for overflow as I routed two downspouts into the 4". It works as expected. If the rain is heavy it overcomes what can be handled by the perforated pipe and comes out of the emitter
I was a little apprehensive about the emitter in the lawn, but after the grass grew back in etc, you really don't notice it unless you know where it is.
All and all, I like how this performs, I am putting one in on the opposite side of my house.
A good quality product
December 5, 2015
Rated 5.0 out of 5.0 by Kanzan Easy install
Easy to install at the end of PVC pipe with or without holes. Used to divert more water from the backyard and let it run along the driveway. Used with enclosed PVC pipe for about two feet then finished with pipe with holes that was covered with gravel. Then back filled with soil. Haven't had any heavy Houston rain yet; but worked fine when filling the drain with water from the garden hose.
November 25, 2015