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💧 Elevate your RO system—never wait for water again!
The SimPure Small Water Pressure Tank (HYRO-1.0) is a compact, NSF-certified 1.4L reserve tank designed to enhance tankless reverse osmosis systems by boosting water flow up to 1.1 gallons per minute. Its space-saving design fits easily under sinks and connects effortlessly to refrigerators and ice makers via 1/4" and 3/8" water pipes. Made in the USA with food-grade materials, it ensures pure, tasteless water while providing reliable, continuous supply and easy installation.













| ASIN | B0CS5VBK9S |
| Brand | SimPure |
| Capacity | 0.32 Gallons |
| Colour | White |
| Country of Origin | USA |
| Customer Reviews | 4.5 out of 5 stars 239 Reviews |
| Enclosure Material | BPA-Free |
| Included Components | Pressure water tank*1, accessories kit*1 |
| Item Dimensions L x W x H | 15.7L x 15.7W x 22.9H Centimeters |
| Item Highlight | Suitable for 1/4" and 3/8" Water Pipes | RO Water Storage Tank with Fittings for Refrigerator, Ice Maker |
| Item Weight | 1.18 kg |
| Manufacturer | SimPure |
| Manufacturer Part Number | HYRO- 1.0 |
| Material | BPA-Free |
| Number of Items | 1 |
| OutputCapacity | 0.32 Gallons |
| Product Dimensions | 15.7L x 15.7W x 22.9H Centimeters |
| Shape | Rectangular |
| Specification Met | NSF/ANSI 58 Standard |
D**S
Nearly tripled my SimPure T1-400UV flow rate to 1.1 gallon per minute (1L in 15 seconds)
My benchmark was the Aquasana Max Flow system advertising at 0.5 Gal per minute, but my kids complained "the water tasted buns," due to the San Antonio, TX hard water. I replaced with the outstanding SimPure T1-400UV Tankless RO system and the water is so good, my kids dropped from 3 artificially sweetened drinks (intolerant of the "buns" tasting water) to 0-1 per day. The only issue was the flow was noticeably/annoyingly slower. The specs on the T1-400UV say it is 0.27 Gal per minute, and mine measured a little faster at ~0.37 Gal per minute on a short fill. I added this tank and speed shot up to 1.1 Gal per minute. It takes up minimal space under the sink, but holds 1.4L in reserve to crank out at 1.1 Gal/min which covers all my water and sports bottle volumes. So if I was filling up more than 1.4L, it would drop back down to baseline flow, but anything under is true max flow. I don't have it hooked up to my ice or fridge, I just got it to increase flow. Of note, it would work with any water filter, not just SimPure, and just hold that higher-pressure 1.4L in reserve.
R**T
Great filter
Works verry well easy to install
C**E
Très bien!
très bon. Même à 60lbs
M**S
Good quality small pressure tank
Nice compact pressure tank. I installed on my rv to soften the pump vibration and to provide some expansion for the hotwater tank.¹
J**I
A Surprisingly Effective Upgrade for Tankless RO Systems
This tank works exceptionally well. It doubled the flow on my tankless system (Waterdrop G3P600) and also resolved the hot-water flow issue. It’s compact enough to fit under the sink, which makes installation easy. While it may seem counterintuitive to pair a tank with a tankless system, it significantly improves convenience: the first few glasses are dispensed immediately, and the tank refills afterward while I’m not waiting.
Trustpilot
2 months ago
5 days ago