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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NDS 422G Pop-Up Drainage Emitter with Elbow fits 4-Inch Sewer and Drain Pipe, Works with Drainage Systems Including Catch Basins, Green

Product ID: 15300149

Details

Brand
NDS
Color
Green Plastic
Connector Type
Elbow
Item Weight
11.2 ounces
Item dimensions L x W x H
6.75 x 6.75 x
Material
High Density

💧4-inch pipe compatible

🔄Pop-up cap auto opens/closes

❄️All-weather freeze resistant

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VT10603

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Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Keep your property dry and your lawn flawless with smart drainage that pops up only when needed!

LOW PROFILE SAFETY - Flush-to-ground installation minimizes trip hazards and blends discreetly into your landscape.
SMART POP UP DESIGN - Cap rises up to 1 inch only when water pressure builds, closing tightly to block debris and pests.
UNIVERSAL 4 INCH FIT - Elbow connector fits standard 4-inch sewer and drain pipes with easy adapter compatibility.
SEAMLESS WATER RELEASE - Effortlessly channels water away from your property to prevent costly damage and erosion.
WEATHERPROOF RELIABILITY - Built-in weep hole prevents pipe freezing and stagnation, ensuring year-round performance.

The NDS 422G Pop-Up Drainage Emitter with Elbow is a durable, high-density polyethylene drainage solution designed to connect seamlessly with 4-inch sewer and drain pipes. It features an innovative pop-up cap that opens under water pressure to discharge excess water downstream, protecting your property from water damage and erosion. Its low-profile, flush-to-ground design reduces trip hazards, while a built-in weep hole prevents freezing and stagnation in cold weather. Trusted by professionals since 1972, this emitter is a key component in effective stormwater management systems.

Specifications

ASIN	B002CSQ0P2
Best Sellers Rank	#9,342 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #44 in Pipe Fittings #61 in Drain Cleaning Equipment
Brand Name	NDS
Color	Green Plastic
Connector Type	Elbow
Customer Reviews	4.6 4.6 out of 5 stars (1,672)
Global Trade Identification Number	00052063414225
Included Components	Drainage Emitter with Elbow
Item Dimensions	6.75 x 6.75 x 6 inches
Item Type Name	422G Pop-Up Drainage Emitter with Elbow fits 4-Inch Sewer and Drain Pipe, Works with Drainage Systems Including Catch Basins, Green
Item Weight	11.2 ounces
Manufacturer	NDS Raindrip
Manufacturer Part Number	422G
Material Type	High Density Polyethylene
Model Number	422G
Number of Pieces	1
Size	4 Inch
Thread Size	4 inch
Thread Type	NPT
UPC	052063414225 733353238928 783961332013
Unit Count	1.0 Count

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