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💧 Keep your flow flawless with the valve that works as hard as you do!
The NATIONAL DIVERSIFIED SALES INC 1700C20 2" Spring Check Valve Union CLR is a durable, clear PVC valve designed for 2-inch irrigation and pool systems. Featuring a spring-loaded check mechanism, it prevents backflow and allows easy maintenance through simple O-ring replacement. Trusted for its longevity, this valve withstands harsh chlorinated environments, making it a reliable choice for professionals seeking low-maintenance, high-performance water control.
| ASIN | B003114TIE |
| Best Sellers Rank | #176,662 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #390 in Check Valves |
| Brand | NDS |
| Brand Name | NDS |
| Connector Type | connector_type |
| Customer Reviews | 3.9 out of 5 stars 40 Reviews |
| Exterior Finish | Clear |
| Global Trade Identification Number | 00670686975208 |
| Included Components | 1 |
| Inlet Connection Size | 2 inches |
| Inlet Connection Type | Chlorinated Polyvinyl Chloride |
| Item Dimensions | 6 x 4 x 6 inches |
| Item Weight | 16 ounces |
| Item dimensions L x W x H | 6 x 4 x 6 inches |
| Manufacturer | SCP Distributors LLC (Pool Corp) |
| Manufacturer Part Number | 1700C20 |
| Manufacturer Warranty Description | 1 Year |
| Material | Polyvinyl Chloride (PVC) |
| Material Type | Polyvinyl Chloride (PVC) |
| Model Number | 1700C20 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Number of Ports | 2 |
| Outlet Connection Size | 2 inches |
| Outlet Connection Type | NPT |
| Size | 2 Inch |
| Specification Met | ASME, ANSI |
| Thread Size | thread.size |
| Thread Type | PVC |
| UPC | 670686975208 |
| Unit Count | 1 Count |
| Valve Type | Check Valve |
L**Z
No
Good
M**K
Well Made, Previous one Lasted 9 years
I first installed one of these 9 years ago. It finally started leaking and emptying the spa. I'm glad they still had this exact same one. Made it real easy to replace by just changing the o-rings and sliding the blue center piece in and retightening using the existing unions. Hope I get another 9 years out of this new one. Things don't usually last that long in chlorine pool. Seems it was very well made. I looked inside to try to figure out what has failed and nothing was obvious, maybe the spring finally wore out or the seals degraded over time. I'm happy with it and will buy again if needed in the future.
B**E
Five Stars
Quick. Fast and repaired my pool. Direct replacement, so no extra plumbing was necessary
J**.
After 9 months, have to buy another.
Worked as advertised for about 9 months. I use it in my pool spa to prevent back flow from spa to pool after the pool pump turns off. Now after 9 months it has stopped working. Attempted to contact seller for advice or replacement but no response. Very expensive for something that only lasted 9 months!
G**S
Five Stars
worked perfect
D**D
Easy to replace old broken one
Easy to replace old one, which broke, because of the o ring sealed universals on each end.
D**.
Waste of money
I use it on my inground swimming pool for the spa check valve it must be defective does not hold water
B**K
Great valve
Easy to install
Trustpilot
1 month ago
1 week ago