

⚡ Elevate your pressure game with the ultimate unloader valve!
The General Pump Trapped Pressure Unloader Valve (Model YU21405) is a high-performance pressure relief valve designed for pressure washers, delivering 21 GPM at up to 4050 PSI. Crafted from durable stainless steel with 1/2" NPT threaded connections, it ensures reliable, long-lasting operation even at temperatures up to 200°F. Trusted by professionals for enhancing pump efficiency and longevity.
| ASIN | B01M1DXN7X |
| Best Sellers Rank | #71,854 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #822 in Pressure Washer Accessories |
| Brand Name | General Pump |
| Connector Type | Threaded |
| Customer Reviews | 4.7 4.7 out of 5 stars (53) |
| Exterior Finish | Stainless Steel |
| Inlet Connection Size | 0.5 Inches |
| Inlet Connection Type | National Pipe Tapered |
| Item Dimensions | 7 x 8 x 3 inches |
| Manufacturer | General Pump |
| Material Type | Stainless Steel |
| Maximum Pressure | 4050 Pound per Square Inch |
| Model Number | YU21405 |
| Number of Pieces | 1 |
| Number of Ports | 2 |
| Outlet Connection Size | 0.5 Inches |
| Outlet Connection Type | NPT |
| Size | 2.7 liters |
| Specification Met | ASME, ASTM, MSS SP 72 |
| Thread Size | 1/2 inches |
| Thread Type | National Pipe Tapered |
| UPC | 682491064305 |
| Unit Count | 1.0 Count |
| Valve Type | Pressure Relief Valve |
R**.
gp are good products
good quality, not from china
J**H
Best in the market
I feel like this unloader is the bar none the best if you’re buying another unloader, you’re wasting your money this thing will give your machine 10 times more power and it will last your pump longer cause it’s made properly support your pump to its full potential
M**Z
Highly recommend for professional use.
This must be te most impressive unloader I have ever seen, massive robust heavy duty.
R**E
Works great
Nice heavy well constructed valve. Would recommend it!
A**S
these items are worth it
Very very good unloader valve they are an industrial situation right now and I have no complaints very well worth the money
R**A
Unloaders do not often go bad, but when they do, you need a GP one
This is the best unloader all around, simple and efficient. Installed and had my pressure back in a minute.
C**Y
Highly Recommend
Great Product at a Great Price.
J**M
Awesome valve
Works perfect for my pressure washer.
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