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Tsunami 1/4" 250 PSI Filtration Water Separator (20 CFM) w/ Float Drain
Model:
21999-0390
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Features

Tsunami 1/4" 250 PSI Filtration Water Separator (20 CFM) w/ Float Drain
Product Video Disclaimer: "PED is not responsible for any variances from the product in this video and the item you purchase. Please review all product specs prior to purchase."
- Tsunami 20 Series Water Separator
- Removes large amounts of moisture from your air supply
- Handles up to 1 quart of water per minute & filters particulate down to 10 micron
- High Quality & Cutting-Edge Technology
- 1/4" NPT inlet & outlet; 250 PSI & 175°F maximum
- Rigorously tested to outperform expectations regardless of the industry or application
- Unique Up-Flow Separation
- Performance is 100% consistent at all flows
- Passes through a special stainless steel mesh element and air reverses direction 180° inside the filter
- Integral Automatic Float Drain
- Ejects water from large drain sump
- Easy-to-service with minimal maintenance required
- Zamak Anodized & Powder Coated Head w/ Oversized Casing
- Designed to handle large surges of water
- Machined from 6061 aircraft aluminum for maximum corrosion protection
- Bottom Cap Has Elevated Sump
- Allows sediment to accumulate & extends filter life
- Can be easily removed to service float drain
- Threaded for optional electronic drain (sold separately)
- ***Mounting Brackets Sold Separately For Individual Filters***
California residents see
Warning: This product can expose you to chemicals including Chromium (hexavalent compounds) which is known to the State of California to cause Developmental Harm.
For more information go to: www.p65Warnings.ca.gov
Specifications
21999-0390

General Information
Product Category
Air Compressor Accessories
Filter
Filter CFM
20
Water Separator
Yes
Inlet Fittings
1/4"
Outlet Fittings
1/4"
Fitting Size
1/4"
Overview
Product Category
Air Compressor Accessories
Weight
1.5 Pounds
Consumer Warranty
1 Year
Commercial Warranty
1 Year
Product Depth
2 Inches
Product Width
2 Inches
Product Height
8.5 Inches
Reviews
(8)
Tsunami 21999-0390 Reviews & Ratings

Overpriced Scam
By Timothy R.
Georgia
Purchased 10/05/2023 |
Review Posted 11/08/2023
A friend told me about this product I watched the video and bought it. I have it hooked up after my radiator on my air compressor to catch the water before going into my tank needless to say it only catches 40% as soon as my air compressor shuts off I can open the drain and watch the water come out so for me it not worth a damn nor performs as the video stated.
Timothy R. Does Not Recommend This
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Expert Response
Hello Timothy, First and foremost thank you for your purchase of the Tsunami 1/4" 250 PSI Filtration Water Separator (20 CFM) w/ Float Drain. We apologize for any issue you may be having and would like to help rectify the situation. The unit does come with a 1-year manufacturer warranty and you would simply need to contact Tsunami at 1-800-782-5752 to have them diagnose the issue and apply the warranty.
We appreciate your business and we're confident the Tsunami folks will take good care of you.
We appreciate your business and we're confident the Tsunami folks will take good care of you.

Dale V.
Power Equipment Expert
Rating Breakdown
2/5
2/5
1/5
1/5

Great Filter
By Brian A
Minnesota
Purchased 05/23/2023 |
Review Posted 06/14/2023
The Tsunami's are working just as advertised. Our air is dry now
Brian A Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Easy To Use, Price, I'd Buy It Again
Cons:
None

Works As Described. Black Aluminum Top Has Small Weak Threads
By Kildee S.
Bethesda, Maryland
Purchased 11/26/2021 |
Review Posted 12/21/2021
The air at my shop has no filters, tons of water. You can see watery oil being ejected from pneumatic tools during use. No longer an issue after installing this separator. Simple design, likely reliable, easy to service if need be. Great product, wish it had other colors.
Kildee S. Recommends This
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Rating Breakdown
5/5
4/5
5/5
4/5

Awesome Product
By Jacob M.
Independence, Missouri
Purchased 11/26/2021 |
Review Posted 12/20/2021
Awesome product! I manage a mobile paint repair business and we only use these water separators. It is extremely important that me and my guys get clean dry air when we are out In the field doing repairs and the Tsunami products never let us down. Furthermore, the body shop we run out of also uses Tsunami products with excellent results.
Jacob M. Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Durable, Price, Exceeded Expectations, High Quality

Not Working As Described
By Samuel J.
Little Rock, Arkansas
Purchased 07/30/2020 |
Review Posted 10/05/2020
Does not separate water as described. Hot air still had moisture.
Samuel J. Does Not Recommend This
Was this review helpful?
Expert Response
Hello Samuel, First and foremost thank you for your purchase of the Tsunami 1/4" 250 PSI Filtration Water Separator (20 CFM) w/ Float Drain. We apologize for any issue you may be having and would like to help rectify the situation. The unit does come with a 1-year manufacturer warranty and you would simply need to contact Tsunami at 1-800-782-5752 to have them diagnose the issue and apply the warranty.
We appreciate your business and we're confident the Tsunami folks will take good care of you.
We appreciate your business and we're confident the Tsunami folks will take good care of you.

Dale V.
Power Equipment Expert
Manufacturer Response
Hello Samuel,
We are sorry to hear that you are still seeing issues. Your comment does describe the exact issue you are having though, water is passing through the filter in the hot air as a gas. When the air cools after the filter, water is then dropping out in liquid form. To maximize performance of any filter, mounting as far away from the air compressor and as close to the application, the better the performance. We would recommend you look into drying technology as that will remove water vapor (a gas) from your compressed air. You can investigate our regenerative drying technology which will remove the gaseous water vapor or consider some sort of refrigerated air drying technology to physically cool the water vapor in your air, converting to a liquid, before it enters your filter.
Sincerely,
Tsunami Compressed Air Solutions
We are sorry to hear that you are still seeing issues. Your comment does describe the exact issue you are having though, water is passing through the filter in the hot air as a gas. When the air cools after the filter, water is then dropping out in liquid form. To maximize performance of any filter, mounting as far away from the air compressor and as close to the application, the better the performance. We would recommend you look into drying technology as that will remove water vapor (a gas) from your compressed air. You can investigate our regenerative drying technology which will remove the gaseous water vapor or consider some sort of refrigerated air drying technology to physically cool the water vapor in your air, converting to a liquid, before it enters your filter.
Sincerely,
Tsunami Compressed Air Solutions

Rating Breakdown
1/5
5/5
1/5
1/5

Water Separator
By Steve B.
Mount Pleasant, South Carolina
Purchased 10/31/2019 |
Review Posted 11/25/2019
As soon as I installed this, the water in our system went to zero. Great product, like the auto drain, easy to install and maintain. We use our air system to air dry parts and no water is a must in our system.
Steve B. Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Features, Easy To Use, Price, Id Buy It Again

Great Separator
By Mark B.
St. Clair Shores, Michigan
Purchased 09/23/2016 |
Review Posted 10/19/2016
Works great, only wished you guys carried the optional drainage kits.
Mark B. Recommends This
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Expert Response
Thank you for letting us know- we can certainly look at that for 2017!

Dale V.
Power Equipment Expert
Rating Breakdown
5/5
5/5
5/5
5/5

Real time water seperation
By Naramsin B.
Park Ridge, Illinois
Purchased 06/29/2015 |
Review Posted 07/28/2015
I have a pneumatic tire changer. Just bought it brand new a few months ago and the motor locked up after just two months. They said it was too much water in my system and the repair man recommended the Tsunami. It works just like they said it would and should. The filter is only for the tire changer, so it doesn't see a lot of air flow most of the time.
However, when we're using it, every once in a while you see it spit out some water as we're going along. It's gone from a wet system to an incredibly dry one. We're in the process of putting their largest filter on our compressor to completely dry out our whole system. I'm very impressed. It's not cheap, but it works far better than traditional water separators.
However, when we're using it, every once in a while you see it spit out some water as we're going along. It's gone from a wet system to an incredibly dry one. We're in the process of putting their largest filter on our compressor to completely dry out our whole system. I'm very impressed. It's not cheap, but it works far better than traditional water separators.
Naramsin B. Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
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