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The Polylok 4" Corrugated Pipe Adapter is a precision-engineered PVC fitting designed to connect 4" corrugated pipes to 4" SDR 35 or SCH 40 PVC pipes. Lightweight yet durable, it ensures a secure, leak-resistant joint ideal for residential and commercial drainage systems. With a strong 4.6-star rating and versatile compatibility, it’s the go-to adapter for seamless pipe transitions.
| ASIN | B085S7F7LF |
| Best Sellers Rank | #28,046 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #785 in Pipe Fittings |
| Brand | Polylok |
| Brand Name | Polylok |
| Color | White |
| Connector Type | Adapter |
| Customer Reviews | 4.6 out of 5 stars 209 Reviews |
| Item Dimensions | 4.57 x 4.5 x 4.5 inches |
| Item Weight | 0.12 Kilograms |
| Item dimensions L x W x H | 4.57 x 4.5 x 4.5 inches |
| Manufacturer | Polylok |
| Material | Polyvinyl Chloride |
| Material Type | Polyvinyl Chloride |
| Number of Pieces | 1 |
| Size | 4 Inch |
| Thread Size | 4 inch |
| Thread Type | NPT |
| Unit Count | 1.0 Count |
A**S
Great product
Well made product and worked great for my application, i wish i found this sooner.
G**Z
Good connection from corrugated to PVC
worked perfectly to connect the black corrugated drain pipe from the down spouting to the PVC pipe buried in the yard
V**L
Easy to put on
Fit as pipe adapter for connecting two pipes
M**N
Works but
Too expensive for what it is. It snaps on with authority which is great! Wonderful product but the price is too just too high.
K**D
Perfect fit
I needed to run water from a downspout under new pavers that we were putting in for our front steps. This connector was perfect to attach a corrugated pipe to a PVC pipe. The clips worked perfectly to keep the flex pipe attached. I also used flex tape to seal the connection.
R**O
Very easy to install.
This worked perfectly. I attached one end to an underground PVC pipe and the other to ADS drainage pipe and it connected perfectly. Highly recommended.
S**D
Great adapter
Worked very well for connecting my PVC drain line to 4" corrugated pipe. I also used PVC tape to seal the connection.
J**D
Perfect Solution to a Current Woe
I’m hopeful Old parts featured next to new Polylok 4” corrugated adapted, new solid corrugated and 3x4 downspout and welded on SDR35 with no fitment issues even though the end wasn’t cut true on the PVC and no room to fix it. This adapter is NOT on the store shelf in the White Mountains of Arizona so I’m thanking God. My Father in law, passed in 21’, added a very nice wood handy capped porch and ramp on the backside of his 2250sf Modular. Drainage was an afterthought and I’m compelled to correct it. TWAS 4” perf corrugated right next to the foundation in 2 places that leaked HABITUALLY…Boooooo
A**R
Dry Well Connection
Used to completed connection between corrugated pipe and PVC pipe in a dry well. Pricey product but it worked great. Happy I purchased connector.
E**R
Worth it
Great quality! Worked perfectly.
T**R
As described
Good
D**F
Works great
Would be nice if we could find these in the big box stores in Canada
B**S
Unit fits
Got what I ordered.Unit fits over existing pipe but implementation deferred till spring.
Trustpilot
1 month ago
2 weeks ago