Capture excess stormwater with a drainage solution that covers more surface area than just the pipe diameter alone using the flared-out design of the 9 in. Square Low-Profile Adapter Kit. Includes the low-profile adapter, green grate, and outlet adapter to drain heavy flows from lawns, landscaped areas, under downspouts, patios, and walkways. The 9 in. Square Low-Profile Adapter, made of polystyrene, connects to 3 in. & 4 in. single-wall corrugated, sewer and drain pipe, triple-wall-pipe, and 4 in. Sch. 40 and triple-wall pipes with the included outlet adapter (#1243). The kit also includes a 9 in. square polyethylene drain grate to block debris and leaves from entering and clogging the pipeline. Grate has an open surface area of 39.5 sq. in. and 121 GPM flow capacity. As part of a complete drainage system, the adapter collects and directs water to drain pipe, which carry it to a discharge point downstream such as a pop-up emitter, or to percolate into the ground with a dry well or infiltration trench. Start now and find the right drainage grate for your project with the free NDS Home Drainage Center tool at ndspro.com/home-drainage. NDS, founded in 1972, is the preferred choice of professionals and the leader in stormwater management solutions with proven products, tools, and support to help you get the job done right.
Prevent costly structural damage, slip hazards, and mosquito breeding grounds by capturing water runoff and directing it to drain pipes for release downstream
Drain heavy water flows from lawns, landscaped areas, under downspouts, patios, and walkways
Connect to 3 in. & 4 in. Sewer and Drain, Single-Wall Corrugated & Triple-Wall Pipes & 4 in. Sch. 40 Pipe using included outlet adapter; additional outlet adapters sold separately for connections to 6 in. and 8 in. Pipes
39.5 sq. in. open surface area. 121 GPM for 9 in. square plastic grate
Rated for NDS Class B loads (up to 175 psi) when properly installed with grate-recommended for medium-duty pneumatic tire traffic, autos, and light trucks at speeds less than 20 mph
Adapter is 2-1/16 in. high; top opening is 9-7/16 in. square; grate is 8-7/8 in. square with 7/16 in. openings
Kit includes 9 in. Low-Profile Adapter, 9 in. Square Plastic Grate, and Outlet Adapter
Works with connected drain pipe to capture and convey excess surface water for proper release downstream
Place on top of drain pipe for a soil-tight fit
Low-profile adapter and outlet adapter made of high-impact polystyrene (HIPS) using a combination of virgin and recycled content treated with UV inhibitors to prevent fading and cracking. Grate made of high-density polyethylene (HDPE) using a combination of virgin and recycled content treated with UV inhibitors to prevent fading and cracking
Use with a Pop-Up Drainage Emitter to discharge collected water at a point of release downstream
Use with a Flo-Well Dry Well System and EZ Drain Gravel-Free French Drain System to detain excess water and slowly release it into the ground
Onsite stormwater management protects the watershed downstream, and limits excess runoff which can lead to negative impacts such as erosion, pollution, and flooding
NDS, founded in 1972, is the preferred choice of professionals and the leader in stormwater management with proven products, tools, and support to help you get the job done right
Q:Hi I see you have two 9in low profile catch basin drainage items listed in your store. I was there and cant find them .Could you let me know if they are there Thanks
by|Dec 6, 2022
Answer This Question
A: Hi Mclaughlin,
If Home Depot does not carry the product in stock, Home Depot can always special order the product.
by|Dec 13, 2022
Q:With the included adapter, will this connect to 4" black ABS sewer drain pipe?
by|May 11, 2022
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A: The 9 in. Square Low-Profile Adapter, connects to 3 in. & 4 in. single-wall corrugated, sewer and drain pipe, triple-wall-pipe, and 4 in. Sch. 40 and triple-wall pipes with the included outlet adapter (#1243).
by|Jun 22, 2022
1 found this answer helpful
Q:Can this be used as an outlet for a downspout? I have a downspout connected to 4” sewer pipe and ...
by|Mar 20, 2021
Answer This Question
A: This will work to catch water under a downspout. The low profile adapter will connect to 4" sewer and drain pipe.
by|Mar 22, 2021
Q:Can this handle being in the lawn with a zero turn mower? I'd like to connect it to 4" PVC hub i...
by|Jan 26, 2021
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Showing 1-4 of 5
4.6 out of 5
out of 34 reviews
100%recommend this product
Showing 1-10 of 34 reviews
Dec 14, 2022
This product came just in time for our construction project and just what we were looking for
Dec 7, 2022
Sep 13, 2022
Sep 12, 2022
Perfect for flooding issue where we planned on placing our...
Perfect for flooding issue where we planned on placing our outdoor pool. Easy to assemble to pipes
Sep 9, 2022
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
Aug 24, 2022
Jun 27, 2022
A Quality Product
This is a very sturdy and quality product. I bought it to replace a 4" square catch basin which was always clogging due to its smaller size. I did have to do a bit of work to retrofit this 6" basin to the in-the-ground portion, but it was using a Dremel tool to buzz down the plastic, which was fairly easy. I haven't had any problem with clogging since installing this larger size.
Jun 1, 2022
I installed it and I am waiting for rain...
I installed it and I am waiting for rain
Jun 1, 2022
Apr 27, 2022
so far it is working fine but have not had much rain
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10 in. W x 10 in. L x 12 in. H Catch Basin Kit Accessory
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