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The Blu Shield Union Block 3800 is designed for 3/8" pressure washer hose assemblies, optimizing water flow and cleaning efficiency. Built from corrosion-resistant aluminum, it withstands working pressures up to 6,000 PSI and burst pressures up to 24,000 PSI. Pressure-tested 1.5x working pressure for 48 hours, it ensures durability and reliability in demanding cleaning environments. Supporting flow rates up to 10 GPM, it enhances pressure washer performance while reducing cleaning time by up to 50%. Compatible with 3/8" NPT fittings, it integrates seamlessly into industrial, commercial, and residential pressure washing systems.
Designed for 3/8" pressure washer hose assemblies
Supports 6,000 PSI working pressure and 24,000 PSI burst pressure
Pressure-tested at 1.5x working pressure for 48 hours
Supports up to 10 GPM
Compatible with 3/8" NPT fittings
Quick installation
Suitable for commercial, industrial, and residential pressure washing
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As a subscriber you will receive the following perks:
- Advanced notice of deals and promotions
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- Exciting new product annoucements
How to get 5% off
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* Promo only valid for first purchase, promo is non transferrable, promo doesn't apply to all items
Join us and Save 5% on your first order
As a subscriber you will receive the following perks:
- Advanced notice of deals and promotions
- Helpful content on equipment use, selection, and more
- Exciting new product annoucements
How to get 5% off
Just enter your email and will send the coupon code to your email.
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* Promo only valid for first purchase, promo is non transferrable, promo doesn't apply to all items
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Except as otherwise described below, if you are not satisfied for any reason products may be returned within 30 days of shipment for a full credit or exchange (if the product is undamaged). When you make your return, you’ll need to note credit or exchange. Returned items must be in the original packaging. To initiate a return you can contact us via phone and we can coordinate the return with you.
If you have questions please contact us at 866 373 5658
Shipping and Returns
Shipping should be simple
We offer free shipping on orders over $80, less than $80 we charge a single flat rate fee of $8.50
Our primary carriers include UPS and USPS and for large items a variety of freight carriers.
Please note for certain product categories particularly filters there is at times an additional charge for shipping.
Shipping policy exceptions
Not all products qualify for free shipping.
No-Hassle Returns
Except as otherwise described below, if you are not satisfied for any reason products may be returned within 30 days of shipment for a full credit or exchange (if the product is undamaged). When you make your return, you’ll need to note credit or exchange. Returned items must be in the original packaging. To initiate a return you can contact us via phone and we can coordinate the return with you.
If you have questions please contact us at 866 373 5658
Shipping and Returns
Shipping should be simple
We offer free shipping on orders over $80, less than $80 we charge a single flat rate fee of $8.50
Our primary carriers include UPS and USPS and for large items a variety of freight carriers.
Please note for certain product categories particularly filters there is at times an additional charge for shipping.
Shipping policy exceptions
Not all products qualify for free shipping.
No-Hassle Returns
Except as otherwise described below, if you are not satisfied for any reason products may be returned within 30 days of shipment for a full credit or exchange (if the product is undamaged). When you make your return, you’ll need to note credit or exchange. Returned items must be in the original packaging. To initiate a return you can contact us via phone and we can coordinate the return with you.
