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.

Nds Emitter With Elbow | Desertcart Austria

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Description

💧 Stay dry, stay ahead — the smart drainage solution your property deserves!

SMART POP UP DESIGN - Cover rises up to 1 inch under pressure, ensuring efficient water release and automatic closure to keep debris out.
DURABLE TRAFFIC READY - Constructed from high-density polyethylene and PVC, it supports foot traffic and lawn tractors when installed properly.
BUILT IN ELBOW CONNECTOR - Seamlessly connects to 4-inch sewer and drain pipes—no extra fittings needed for a hassle-free install.
EFFORTLESS HIGH FLOW DRAINAGE - Releases stormwater at up to 40 gallons per minute to prevent costly water damage.
FREEZE STAGNATION RESISTANT - Small weep hole drains residual water to prevent freezing and stagnation during cold months.

The NDS Emitter with Elbow is a robust drainage component designed to safely discharge stormwater runoff at up to 40 GPM. Featuring a pop-up polyethylene cover that automatically opens and closes with water pressure, it connects directly to 4-inch drain pipes without extra fittings. Built to withstand pedestrian and lawn tractor traffic, it includes a weep hole to prevent freezing and water stagnation, making it an essential upgrade for effective, low-maintenance drainage systems.

Specifications

ASIN	B002CSQ0P2
Best Sellers Rank	#179,331 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement )
Brand Name	NDS
Color	Green
Connector Type	Elbow
Customer Reviews	4.6 4.6 out of 5 stars (1,233)
Global Trade Identification Number	00052063414225
Included Components	Drainage Emitter with Elbow
Item Dimensions	17.1 x 17.1 x 15.2 centimeters
Item Type Name	For 4 in. Drain Pipes
Item Weight	0.7 Pounds
Manufacturer	NDS Raindrip
Manufacturer Part Number	422G
Material Type	High Density Polyethylene
Model Number	422G
Number of Pieces	1
Size	4 Inch
Thread Type	UN
UPC	052063414225 733353238928 783961332013
Unit Count	1 Count

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€ 65.21

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Austria.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Great experience from order to delivery. Highly recommended!

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NDS Emitter with Elbow

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Description

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Common Questions