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🔇 Quiet power, clear control — the check valve your sump pump deserves.
The PumpSpy Silent Check Valve Model CV-150 is a 1-1/2" submersible valve featuring a spring-loaded flapper that eliminates water hammer noise. Its clear ABS body provides real-time visual confirmation of water flow, while included stainless steel clamps and Buna-N couplings ensure quick installation on standard pipes. Designed to prevent water backflow, it significantly extends sump pump life expectancy and is highly rated by nearly 2,000 users for quality and silent operation.
| ASIN | B091V15RHZ |
| Best Sellers Rank | 546,471 in DIY & Tools ( See Top 100 in DIY & Tools ) 507 in Submersible Pumps |
| Brand | PumpSpy |
| Colour | Clear |
| Customer Reviews | 4.7 out of 5 stars 1,902 Reviews |
| Global Trade Identification Number | 00850004841143 |
| Included Components | Silent Check Valve |
| Item Dimensions L x W x H | 7.6L x 21.6W x 7.6H centimetres |
| Item Weight | 363 g |
| Manufacturer | Raybend |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Model Number | CV-150 |
| Part Number | 93100-01 |
| Power source | No Power Source |
| Product Style | Submersible |
| Product dimensions | 7.6L x 21.6W x 7.6H centimetres |
| Style | Submersible |
| Usage | Basement sump pump systems |
W**E
Value product easy install
Easy quick install valve works like a charm and silent. Competitive pricing quick shipping appears to be quality product too early to rate durability good vendor would definitely repurchase if needed.
J**T
Noise solved, but check for fitting compatibility
Worked great – 99% of the water hammer noise is gone! Huge difference. Only challenge for those with a basement watchdog pump I’d disclose - the pumpspy check valve body diameter is wider than OEM which the pumpspy check to encroached upon the main pump handle and wouldn’t screw in. To solve, I ended up buying another male threaded connector to screw into the main pump, added a bit of pipe to get over top of the pump handle then a female fitting for the check valve to screw into (to clear the handle). This meant re-plumbing the main and backup pipe plumbing as well.
S**A
Great product!
Love the see through housing, easy installation and it's of course very quiet. Game changer...
J**R
Very good!
I installed these on my two sump pumps and immediately noticed a difference! No more thumping and gurgling. These valves are super easy to install, are whisper quiet and perform flawlessly! Being able to actually see the valve operate is also a big plus! Very pleased with this purchase and would highly recommend!
A**R
Silent check valve
This silent check valve did exactly as advertised. Totally eliminated the bouncy ball noise and thumping noises produced by my other valve. Installed easily. Great product.
Trustpilot
1 week ago
2 weeks ago