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🔧 Seal the deal with flawless flow control—never let backflow hold you back!
This 6-pack of 3/8 inch ABS plastic check valves features silicone cores for reliable one-way fluid and air flow control. Resistant to heat (-20°C to 70°C), acids, and corrosion, these valves are perfect for industrial, automotive, and household applications. Bulk packaging ensures you’re always ready to maintain or upgrade your systems with easy installation guided by clear flow direction markings.
| ASIN | B08FJ1TSSJ |
| Best Sellers Rank | #23,853 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #22 in Check Valves |
| Brand | Blulu |
| Brand Name | Blulu |
| Customer Reviews | 4.4 out of 5 stars 375 Reviews |
| Exterior Finish | Abs, Plastic, Silicone |
| Inlet Connection Size | 0.38 inches |
| Inlet Connection Type | Threaded |
| Item Weight | 0.01 kg |
| Manufacturer | Blulu |
| Manufacturer Part Number | Blulu-Check Valve-02 |
| Material | ABS plastic, silicone |
| Material Type | ABS plastic, silicone |
| Model Number | Blulu |
| Number of Items | 6 |
| Number of Pieces | 6 |
| Number of Ports | 6 |
| Outlet Connection Size | 0.38 inches |
| Set Name | 6-Piece ABS Plastic Check Valve Set |
| Size | 3/8 inch, 10 mm |
| Thread Size | 3/8 inch |
| Thread Type | Threaded |
| Unit Count | 6 Count |
| Valve Type | Check Valve |
R**D
Best product to fix bad condensate pump check valve!
I have a little giant condensation pump for my furnace and dehumidifier. The little Giant check valves (all 4 that I bought) are a waste of money as they don’t seal, and leak water back into the pump causing it to run more than it needs to. I ordered these to install 3” downstream from the pump’s crappy check valves. Took one out of the package and it worked flawlessly. I highly recommend this product. I didn’t need extras but it’s good to have spares.
S**E
The best check valve!
Must have for my fountain fill line. If you have a line and don’t want water back flowing then this is a must have. They last long time. I’ve tried aluminum ones, but they fail quickly. The plastic seem to last 12+ months so I’ve been very happy. This is the best check valve I have come across ever!
S**T
One-way check valves work, but don't last long
I used these to replace the one-way flow valves in both my and my wife's SleepMe Chilipads. These look and function identically. These valves fail pretty regularly, the same as the valves did that came in the units from the factory. I am not sure how long these are supposed to last, but I find I need to replace them about every three months or so, because something happens and the water is allowed to flow back down into the system. These are pretty cheap, and it is pretty easy to change the part in my application, so I am not going to knock them too much. Four stars because I wish they lasted six months instead of three months between failures.
K**F
Works great
Used it as a one way breather for a fuel tank to allow inflow to offset fuel flow while the engine is running but not allow constant venting, stinking up the garage. The fuel cap has a spring loaded seal if real pressure starts to build up. Works great!
M**7
Great replacement part for leaking Chili Dock Pro
This check valve was perfect replacement to fix my wife’s leaking Chili Dock Pro.
R**G
Good Product
Work great. I used them in a laundry to keep the detergent pumps primed.They fit perfect in the plastic hoses and no leaks.
R**N
Low pressure check valve for air & water
Nice low inlet pressure check valve, just don't use these for fuel applications.
P**D
fit
be shure to check your line size
Trustpilot
2 weeks ago
2 months ago