NDS 420C Pop-Up Drainage Emitter, fits 3-Inch and 4-Inch Sewer and Drain Fittings, Works with Drainage Systems Including Catch Basins and Channel Drains, Green
Condition: New
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Availability:
In Stock.
Arrives
Wednesday, Nov 4
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At a glance
- Condition
- New
- Model
- 420C
- Dimensions
- 5.94 x 5.94 x 2.25 in
- Weight
- 2.88 oz
- Color
- Green Plastic
- Material
- Plastic
- Size
- 3-in & 4-in
- In the box
- NDS - 422
Features 5
- Works with a complete drainage system to release collected stormwater runoff and standing water to a discharge point before it causes costly property damage. Provides collected water a point of release at water-safe areas downstream and away from structures, erosion-prone landscapes, and poor drainage areas
- Connects to 3 in. & 4 in. sewer and drain fittings; connects to other pipe types using appropriate adapters. Releases collected water up to 40 GPM. Supports pedestrian traffic including lawn tractors, when properly installed
- Outside flange prevents grass from growing over the cover
- Cap, or cover, pops up as high as 1 in. once water pressure builds; closes as flow diminishes. Flat profile design reduces trip hazard posed by open drain; closed position keeps emitter flush to the ground and safe from lawn mower blades
- Comes with one Pop-Up Drainage Emitter . Hassle-free limited lifetime warranty guarantees the NDS product is free from defectsor well replace it
Description
Take stormwater runoff captured by grates, catch basins, channel drains, and other drainage systems to drain pipe, and carry it to a point of release downstream to discharge with a Pop-Up Drainage Emitter. The Pop-Up Drainage Emitter connects to 3 in. and 4 in. sewer and drain fittings which connect to sewer and drain pipe and triple-wall pipe. Cover is made of polyethylene.
Specs 21
| Size | 3-inch & 4-inch |
|---|---|
| Material | Plastic |
| Brand | NDS |
| Color | Green Plastic |
| Item dimensions L x W x H | 5.94 x 5.94 x 2.25 inches |
| Connector Type | Flange |
| Thread Type | NPT |
| Item Weight | 2.88 ounces |
| Number of Pieces | 1 |
| Number of Packs | 1 |
| Brand Name | NDS |
| Model Number | 420C |
| Global Trade Identification Number | 05 |
| Manufacturer | NDS, Inc. |
| Manufacturer Warranty Description | Warranty. |
| Unit Count | 1 Count |
| UPC | 052063030005 |
| Item Type Name | NDS Pop-Up Drainage Emitter, For 3 in. & 4 in. Drain Fittings, Green Plastic |
| Manufacturer Part Number | 420C |
| Item Dimensions | 5.94 x 5.94 x 2.25 inches |
| Material Type | Plastic |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Nov 4
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Perfect Solution for Lawn Drainage – Easy Install & Works Flawlessly!
Size: 3-inch & 4-inch
I recently installed the Pop-Up Drainage Emitter as part of my yard's drainage system, and I couldn't be happier with the results. It’s incredibly easy to install and fits perfectly with standard 4-inch drain pipes. The pop-up top works just as advertised—only opens when there’s water flow, keeping debris and critters out when not in use. What I really appreciate is the low-profile design. It blends in nicely with the lawn and doesn’t get in the way of mowing or foot traffic. Even after several heavy rainstorms, the emitter has performed flawlessly, preventing any pooling or flooding in problem areas. If you’re looking for a simple, effective, and durable solution for lawn drainage, this is it. Highly recommended!
...
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Reviewed in the United States on June 16, 2025 by Justin Morgan
Good quality, good fit
Size: 3-inch & 4-inch
Good quality, good fit on my 4 inch pipe.
Reviewed in the United States on September 23, 2026 by Dave
Still doing an excellent job after ~3.5 years
Size: 3-inch & 4-inch
1) This product provides great value for your money. It helps so much with yard drainage and costs very little. 2) It's so durable. I've been monitoring it for about 3.5 years now, and it has withstood all the sun, heat, and thunderstorms nature has thrown at it. Also, it has never caught the blade of my lawn mower, which has probably passed over it around 100 times now. 3) The rounded interior contours, internal ribs, and high-density polyethylene (HDPE) construction contribute to the overall strength of the product. 4) It's so simple to install if you've done your measurements in advance. 5) Cleaning the product is easy, although I've almost never had to over the years. But it's just as effortless to remove this product from the pipe as you might expect for something that stays embedded in your lawn all year long. 6) The emitter pops up just like it's supposed to during heavy storms that cause copious drainage. When installed properly, this product performs extremely well.
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Reviewed in the United States on March 2, 2026 by resi5
High-Quality and Reliable Drain Cover
Size: 3-inch & 4-inch
This drain cover is of very good quality and has worked exactly as I expected. It feels sturdy and well-made, not flimsy like others I have tried before. It fits properly and helps block debris effectively, which keeps the drain cleaner and reduces clogging issues. I also like that it is easy to place and remove whenever needed, making maintenance simple and quick. The material seems durable and resistant, so I believe it will last a long time even with regular use. It is a practical and reliable product that does its job well.
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Reviewed in the United States on June 16, 2026 by EC
Does the job
Size: 3-inch & 4-inch
Made of sturdy thick material that looks like it’ll last. Fitted easily on the 3” L pipe.
Reviewed in the United States on September 4, 2026 by Anthony Ragona
Covers it up!
Size: 3-inch & 4-inch
Works perfectly
Reviewed in the United States on August 14, 2026 by Teri Carter
Perfect
Size: 3-inch & 4-inch
Perfect
Reviewed in the United States on September 19, 2026 by Bob Ambrose
Simple
Size: 3-inch & 4-inch
Fit perfect with no tools required
Reviewed in the United States on August 17, 2026 by Peter J Syme Jr.