








UWANT Portable Carpet Steam Cleaner B400
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Product Description
- Steam& Hot Water System : The uwant B400 steam portable cleaner machine adopts Steam and Hot water Tech, It can reach 212℉in steam mode, 149℉ hot water in hot water model. This is a deep cleaning system we have developed specifically for household and pet stains, with 50% increase in cleaning power compared to regular models.
- Upgrade 18Kpa Powerful Suction : Combined with steam& hot water technology to achieve deep cleaning, the 18Kpa suction force can make residual stains invisible, leaving no dirt in any dead corner. Improve cleaning efficiency by 50%, with shorter time but cleaner cleaning.
- 2 in 1 Steam Machine : Not only capet cleaner machine but also steam cleaner. We are equipped with dedicated steam brush heads to meet the steam cleaning needs of crevices in cars, kitchens, bathrooms, and other areas. The 2 in 1 cleaner machine can handle various types of dirt and stains.
- 2 in 1 Water Tank : The portable cleaner machine's exclusive water tank design integrates the waste tank and the clean water tank into 1, eliminating the need to frequently clean different water tanks. With one hand, both the waste tank and the clean water tank can be treated simultaneously. Through the exclusive design, the product retains its portability and protects your Waist Health.
- Easy to Use : The uwant upholstery cleaner machine uses capacitive buttons instead of a press design, which can further help you relieve hand fatigue, making it easy and efficient. For safety reasons, press the hot water button once to switch on/off the hot water mode, and press the steam button twice to switch on/off the steam mode. Switching is also easy, simple, and safe.
- UWANT Just Do What You Want : The uwant is committed to making cleaning simpler and more efficient. We continuously introduce high-quality products with excellent cost-effectiveness according to consumer needs. We are committed to making the cleaning tools you want and continue to move forward on this path.
- Package and Support : We provide 1 Year warranty for the Entire Product and 24*7 after sale guarantee for you. At the same time, we will launch related accessories for this product. Thank you for supporting uwant B400 Carpet Cleaner.
Fast and Free Shipping
Delivery typically takes 3–5 days after your order is placed.
1 Year Warranty
Enjoy peace of mind with a 1-year warranty and dedicated customer support for your UWANT product.
30-Day Return Policy
- You have 30 days after receiving your item to request a return.
- For more information about returns, please see our Return Policy.
7-Day Price Match Guarantee
- If you find a lower price for the same product within 7 days of your purchase, we’ll match it.
- Learn more about our Price Match Policy.

UWANT Portable Carpet Steam Cleaner B400
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
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Customer Support
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FAQ’s
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Contact Us
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FAQs
1. How to Switch Cleaning Modes?
B400 offers two cleaning modes:
1. Hot Water Mode
Press the "Water" button on the handle once. Preparation Time: 15-25 seconds for hot water.
2. Steam Mode
Quickly press the "Steam" button on the handle twice. Preparation Time: 30-35 seconds for steam.
Note:During steam preparation, a small amount of water may discharge—this is normal. For optimal performance, wait until the mode is fully prepared before starting cleaning.
2. Why is the surface still damp after cleaning?
(1) When operating the machine, there's no need to hold down the water spray button continuously. Simply wet the stained area thoroughly, wait for the stain to dissolve, and then scrub.
(2) The upholstery cleaner works similarly to a washing machine—cleaned items will naturally remain wet. First, spray water and scrub, then keep the brush head upright and press down to suction, much like blow-drying hair. The longer you suction, the drier the surface becomes.
3. How to fix no water after pressing the spray button?
If no water comes out when pressing the spray button or no water comes out when pressing the self-cleaning button, please follow the steps below to resolve this issue.
First, unscrew the six screws on the device, remove the cover and the self-cleaning button. You'll now see the water pipe.
Second, Remove the screw on the left side of the faulty button. Gently pull out the clip structure holding the button in place.
If the water pipe appears pinched or deformed, the last step is press it horizontally to restore its shape, let the air into the water pipe.
If no water comes out when pressing the self-cleaning button, same steps for above, water pipe push the valve back into place. Reattach the clip. Screw back the left-side screw. Power on, it can work properly.
4. What to do if the machine has no suction/suction weakens?
(1) Check if the dirty water tank has reached the maximum water level. If yes, empty it before use.
(2) Inspect the hose and suction inlet for clogs. If found, clean them before use.
(3) Confirm if the machine has been operating for too long. If yes, power off and let it cool for 30 minutes before reuse.
(4) Remove the dirty water tank and start the machine to check suction strength at the main unit's inlet. If suction remains weak, this indicates a motor issue - please contact after-sales service for repair.
5. Which Materials Are Suitable for Cleaning with an Upholstery Cleaner?
Generally, any material that is water-washable can be cleaned with an upholstery cleaner.
Note: For delicate or expensive materials (such as wool carpets, leather sofas, or latex mattresses), it is recommended to test the cleaner on a small, hidden area first. If no issues occur, proceed with full-scale cleaning.
















