IsoTwist® – Premium RO System
IsoTwist ISO-550R 5-stage certified RO system
IsoTwist ISO-450R 4-stage certified RO system
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STAGE ONE
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| 5-Micron Polyspun Sediment Filter Encapsulated 1/4 turn Twist-Off Cartridge |
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STAGE TWO (optional)
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| 10 Micron Granular Activated Carbon Filter Encapsulated 1/4 turn Twist-Off Cartridge |
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STAGE THREE
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| 10 Micron Carbon Block Filter Encapsulated 1/4 turn Twist-Off Cartridge |
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STAGE FOUR
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| Reverse Osmosis Membrane 50 GPD TFC @ 65 PSI Pressure Differential |
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STAGE FIVE
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| 10 Micron Carbon Block Post Filter Encapsulated 1/4 turn Twist-Off Cartridge |
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TANK
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| 4.0 Gallon Plastic Tank (metal tank available) Pre-pressurized with Butyl Bladder (2.5 gal. water capacity when full) |
Specifications
Shipping Weight: 24 lb.
Dimension:
14”W x 6”D x 15.5”H
Tank: 11″ dia. x 15.5″H
Conditions of Use
Water Must be microbiologically safe
Temperature, 40 -100 degrees F
pH Range, 3 to 10
Feed pressure, 40 to 100 psig
Maximum TDS, 1500 PPM
Turbidity, less than 1.0 NTU
Certified Reduced ContaminantsArsenic, Barium, Cadmium, Chromium III & VI, Copper, Fluoride, Lead, Radium 226 & 228, Selenium, TDS, Turbidity, Tested for structural integrity, chemical extraction and reduction of contaminants |
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Platinum Seal Certified 4 & 5-Stage RO with proprietary twist-off filters
The Vertex IsoTwist is our most advanced undersink Reverse Osmosis filter system optimized to treat city water using the existing water pressure. This model makes up to 50 gallons a day of great tasting water while taking up less space than most other 4 and 5-stage models. The higher production capacity serves larger homes and offices. The easy twist-off disposable filter cartridges and RO membrane assembly are designed to make installation and replacement quick, easy and sanitary. These sturdy and reliable US made systems are IAPMO Platinum Seal certified to significantly reduce 13 contaminants to NSF/ANSI 58 (see list below).
Choose the 5-stage system to ensure water quality, membrane performance and filter life, when the incoming water contains a high amount of sediment as in some well water systems. An extra pre-filter stage is added before the membrane. The 5-stage model can also be used to extend time between filter changes.
The IsoTwist comes complete and ready to install, with quick connect fittings, 3/8″ tank to faucet tubing, dispensing faucet and instruction manual.
Download the Performance Data sheet.
Features
• Proprietary twist-off filter cartridges
• Hi capacity 50 GPD TFC RO membrane assembly for easy replacement
• Quick connect O-ring seal fittings
• Compact size takes less space than most 4 and 5-stage systems
• Auto shutoff valve
• Flow restrictor – modified capillary
• Long reach, non-airgap chrome faucet included
• 4.0 gallon plastic tank
• Feed water connector-1/2 inch threaded inlet adapter with metal ballvalve
• Drain connection included
• 1/4 Inch John Guest polyethylene tubing
| IsoTwist Ordering Information | Part No. | |
|---|---|---|
| 5-stage Reverse Osmosis System | Iso-550R | |
| 4-stage Reverse Osmosis System | Iso-450R | |
| Available Options | ||
| with UV Sterilizer | add /UV | |
| with Air Gap Faucet (meets many city's requirements) | add /AG | |
| with 3/8" Feed Water Adapter | call factory | |
| with 1/2"-3/8" John Guest Convertible Feed Water Adapter | call factory | |
| Replacement Filters | ||
| 5 micron sediment 1/4 turn Twist-On cartridge | TF-4113 | |
| Carbon Block 1/4 turn Twist-On cartridge (2 per) | TF-4115 | |
| GAC 1/4 turn Twist-On cartridge (for 5-stage option) | TF-4114 | |
| 50 GPD RO membrane assembly w/QC fittings | MHA-4222 | |
| 50 GPD RO membrane only | MA-4203 | |
| 4-stage Filter Replacement Kit | FK-112 | |
| 5-stage Filter Replacement Kit | FK-113 | |
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