Do they freeze up? I live in Wisconsin and worry the residual water may freeze. Thanks

I have 3 of these (similar buried systems) all running down angle underground and yes they can freeze up (residual water at/around the pop up, “Colorado clay” stops up the little relief drain hole) although just 1 of the lines seems to show drain water backup up to the downspout during melt…anyway, for winter I pull off the 4” at the bottom of the downspouts and slip on another adapter and length of 4” downhill” that is just open at the end (Maybe there’s a better way? because yes we have 4” laying on top of ground level that can trip over etc.!

How does the water make its way to the discharge with a hole in the bottom ?

The hole in the bottom is so small that the vast majority the water will be emitted from the top. The hole only allows a small amount to drain, which is important after that heavy flow has stopped.

My down spout is rectangular is there a piece to connect with that shape on one end and circular on the other?

Correct. There is a rectangular piece that fits on the downspout. Then you need your hose to connect to the drainage

Anybody use this in cold weather climates. Does it freeze up?

No. Have had 2 of then for several years in NY state. Never a problem. However they are used as an overflo for a drain pipe. I have no idea what happens when they are under a foot of snow. IBut f there is running water they won't freeze.

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Description

💧 Keep your property dry and damage-free with smart, seamless drainage!

SMART POP UP DESIGN - Cap rises up to 1 inch only when water pressure builds, closing tightly to block debris and pests.
ALL WEATHER DURABILITY - Built-in weep hole drains residual water to avoid freezing and pipe damage in cold climates.
PRECISION WATER RELEASE - Effortlessly directs water away from your property to prevent damage and erosion.
LOW PROFILE LAWN FRIENDLY - Flush or slightly recessed installation minimizes trip hazards and lawnmower interference.
UNIVERSAL 4 INCH COMPATIBILITY - Elbow connector fits standard 4-inch sewer and drain pipes for easy integration.

The NDS 422G Pop-Up Drainage Emitter with Elbow is a high-density polyethylene drainage solution designed to fit 4-inch sewer and drain pipes. It features a pop-up cap that opens under water pressure to release excess water downstream, preventing property damage and erosion. The emitter closes when flow diminishes to block debris and pests, while a built-in weep hole prevents freezing and stagnation. Its low-profile design ensures safe, discreet installation flush with turf, making it ideal for professional-grade stormwater management systems.

Specifications

Size	4 Inch
Material	High Density Polyethylene
Brand	NDS
Item dimensions L x W x H	6.75 x 6.75 x 6 inches
Connector Type	Elbow
Thread Size	4 inch
Thread Type	NPT
Item Weight	0.7 Pounds
Number of Pieces	1
Global Trade Identification Number	00052063414225
Manufacturer	NDS Raindrip
UPC	052063414225 733353238928 783961332013
Part Number	422G
Item Weight	11.2 ounces
Product Dimensions	6.75 x 6.75 x 6 inches
Item model number	422G
Is Discontinued By Manufacturer	No
Style	422G
Pattern	Drainage Emitter
Item Package Quantity	1
Included Components	Drainage Emitter with Elbow
Batteries Included?	No
Batteries Required?	No

Reviews

M**D

Functional and great quality, and no more stepping in holes or tripping.

This pop up 4 inch downspout elbow drain is made of quality materials, and it functions very well. Stop getting critters in your downspout openings or walking through your yard and stepping in a hole, or tripping over a large downspout extension. We have had them in our yard for decades and they work fantastic.

18.07.2025

C**E

As expected

Works as needed. Quality as expected

7.08.2025

M**7

Weather worn after 1 year

Plastic faded and green peeled after first winter. Drain itself still works fine though.

14.05.2025

T**

Positive

This product was easy to install.

20.07.2025

T**T

Good

Build quality

9.09.2025

M**L

Just the right thing!

This was a replacement for one that the contractors trashed while working. Worked out perfect.

28.08.2025

F**S

Popup

Worked

28.08.2025

R**R

3 pc set

Product is durable, Easily installed, Looks good, Fits well.Con: Did not come with the green pop up emitter.Lowes and Home Depot carry them as well as the emitter.

9.05.2025

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