We carry a wide range of parts to service and maintain your existing reverse osmosis system. If you can't find what your looking for, or are unsure of what you need, give us a call and one of our highly trained experts will help find what you are looking for.
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COM-100 HM Digital EC TDS & Temperature Waterproof Meter
COM-100 HM Digital EC TDS & Temperature Waterproof Meter Ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. FEATURES Measures electrical...- $74.95
$74.94- $74.95
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5-Stage Reverse Osmosis Filter Pack with Remineralization Filter | FP5PH
5-Stage Reverse Osmosis Filter Pack With Remineralization Filter | FP6 Includes (1) 5 Micron Pre-Filter - US Water (1) Carbon Block Pre-Filters - US Water (1) Remineralization Cartridge - US Water (1) 1/4" NPT In-Line GAC Post-Filter - US Water (1) Silicone Packet (1)...- $54.95
$100.01- $54.95
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PuROLine Reverse Osmosis Filters
PuROLine PL-5000, PL-4000, PL50T50, PL50T75, PL50T100, and PL40T50 Reverse Osmosis Filter Pack The PuROLine is Manufactured by Good Water Warehouse. US Water Systems offers quality USA manufactured compatible filters at a cost savings that will meet or exceed Good Water Warehouse specifications. Replacement Filter...- $54.95
$100.01- $54.95
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John Guest 3/8" x 3/8" x 1/4" Outlet Angle Stop Adapter Valve
John Guest 3/8" x 3/8" x 1/4" Outlet Angle Stop Adapter Valve - For 1/4" Tube Feeds to Drinking Water and Reverse Osmosis Systems Part Number: ASVPP1LF (LEAD FREE) This fitting is made of the following components: The body is produced in polypropylene (polypro)...- $14.41
$18.01- $14.41
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American Plumber WRO-4500 Reverse Osmosis Filter Pack
Replacement Filter Pack for American Plumber WRO-4500 Reverse Osmosis System All Filters are Made in the USA NSF Certified Includes (1) 5 Micron Pre-Filter (555021-52) (1) Carbon Block Pre-Filter (555021-52) (1) 1/4" NPT In-Line GAC Post-Filter (255521-51) (1) Silicone Packet (1) RO Sanitizing Packet...- $44.95
$81.81- $44.95
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John Guest Quick Connect 3/8" Two-Way Divider
John Guest Quick Connect 3/8" Two-Way Divider Part Number: PP2312W This fitting is made of the following components: The body is produced in polypropylene (polypro) 'O'Rings are EPDM The collet is produced in polypropylene with stainless steel teeth Quantity Discounts Available - Call for...- $5.50
$6.88- $5.50
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1/4" x 1/4" John Guest Quick Connect Elbow
John Guest 1/4" x 1/4" John Guest Quick Connect Elbow FittingPart Number: PP0308W This fitting is made of the following components: The body is produced in polypropylene (polypro) 'O'Rings are EPDM The collet is produced in polypropylene with stainless steel teeth Quantity Discounts Available...- $3.36
$4.20- $3.36
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US Water Systems AR-4 RO Replacement Filter Pack
Replacement Filter Pack for US Water AR-4 Reverse Osmosis SystemsAxeon formal named RO Ultra Tech has been the water treatment marketplace over 30 years.US Water Systems offers quality USA manufactured compatible filters at a cost savings that will meet or exceed Axeon’s specifications. It...- $64.95
$118.21- $64.95
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4-Stage USA Made Quantum Disinfection Reverse Osmosis Filter Pack | FP4S-USA
4-Stage Made in USA Filter Pack With Quantum Disinfection Cartridge Turns Any RO System into a Purifier! Our 4-Stage Filter Pack includes silicone to lubricate the O-Rings and the Quantum Disinfection Cartridge so that you can trust your water to be as clean as...- $64.95
$118.21- $64.95
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John Guest Quick Connect Check Valve 3/8"
John Guest 3/8" Quick Connect Check Valve Part Number: 3/8SCV This fitting is made of the following components: The body is produced in polypropylene 'O'Rings are EPDM The collet is produced in polypropylene with stainless steel teeth Quantity Discounts Available - Call for Prices...- $16.74
$20.93- $16.74
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Vertex Pure Water Machine PT-4.0/5 Reverse Osmosis Filter Pack FK-101
Replacement Filter Pack for Vertex Pure Water Machine PT-4.0/5 Reverse Osmosis Systems Vertex Water Products is a family owned company since 1998. US Water Systems offers quality USA manufactured compatible filters at a cost savings that will meet or exceed Vertex Water Products specifications....- $59.95
$90.91- $59.95
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20 Gallon Metal Reverse Osmosis Storage Tank With 3/8" Tank Valve Kit
20 Gallon Metal Reverse Osmosis Storage Tank With 3/8" Quick Connect Tank Valve Kit This 20 gallon tank is manufactured specifically for reverse osmosis water using the finest FDA approve materials. The water chamber is made with a virgin polypropylene line, a high-grade Chlorobutyl...- $319.95
$399.94- $319.95
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AXEON TE-2012-100 NSF-58 Residential Membrane 100 GPD
AXEON TE–Series Reverse Osmosis Membrane Elements are a reliable alternative for your residential reverse osmosis system needs.TE–Series Membrane Elements are NSF-58 Certified and are manufactured in a state-of-the-art, ISO-9001 compliant automated rolling facility, providing you with precise and advanced membrane quality that delivers on performance and...- $35.95
$44.94- $35.95
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US Water Systems Livation Hydration In-line Alkaline Filter Retrofit Installation Kit
US Water Systems Livation Hydration In-line Alkaline Filter Retrofit Installation Kit This installation kit has everything you need to add the US Water Systems Livation Hydration Alkaline Filter to your existing reverse osmosis system. Installation Kit Includes 2 - 1/4" MIP x 1/4" Quick...- $9.95
$12.44- $9.95
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John Guest 3/8" x 3/8" x 3/8" Outlet Angle Stop Adapter Valve
John Guest 3/8" x 3/8" x 3/8" Outlet Angle Stop Adapter Valve - For 3/8" Tube Feeds to Drinking Water and Reverse Osmosis Systems Part Number: ASVPP2 This fitting is made of the following components: The body is produced in polypropylene (polypro) 'O'Rings are...- $12.67
$15.84- $12.67
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John Guest 1/4" Quick Connect x 1/4" FPT John Guest Elbow Valve
John Guest 1/4" Quick Connect x 1/4" FPT John Guest Elbow Valve - Typically used as a Shut-Off Valve on the Tank of any RO System Part Number: PPSV500822W This fitting is made of the following components: The body is produced in polypropylene (polypro)...- $10.85
$13.56- $10.85
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US Water Vase-Style Reverse Osmosis Faucet - Chrome
US Water Vase-Style Reverse Osmosis Faucet - Chrome High end faucet look and design without the high end price. Timeless understated Vase-Design is at home in any kitchen. Features Ceramic disc quarter turn faucet 11" high (from base of faucet) 3" shank Standard 7/16"...- $44.95
$81.81- $44.95
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RO Capillary Drain Flow Restrictor 035 GPD - Yellow | 200989
35 GPD Yellow RO Capillary Drain Flow Restrictor Fits any Residential Reverse Osmosis System Tube is simply instered into the 1/4" drain line All other restrictors must be removed for capillary flow restrictor to work properly For up to 35 GPD Membrane 368/ml/min to...- $4.95
$6.19- $4.95
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John Guest 1/4" x 3/8" MPT Quick Connect Fitting | PP010823W
Part Number: PP010823W This fitting is made of the following components: The body is produced in polypropylene 'O'Rings are EPDM The collet is produced in polypropylene with stainless steel teeth Quantity Discounts Available - Call for Prices John Guest Installation Guide Chemical Compatability Chart...- $2.89
$3.61- $2.89
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Flexeon LT 200 & 300 20" Filter Pack
Replacement Filter Pack For Flexeon LT 200 & LT 300 Systems With 20" Filters | Made In USAAxeon formal named RO Ultra Tech has been the water treatment marketplace over 30 years. US Water Systems offers quality USA manufactured compatible filters at a cost...- $64.95
$118.21- $64.95
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Installation
Installation of a reverse osmosis system can be performed by almost anyone. If you are a little technically inclined, you can most likely install a system yourself. The process may vary slightly depending on your setup and which system you ordered. For the most part, everything you need for installation is provided with the system. The tools you may need to supply yourself are as follows:
- Drill
- 1/4" Drill Bit
- Faucet Drill Bit (size will vary depending on faucet type)
- Philips Head Screwdriver
- Tubing Cutter or Razor Knife
- Channel Lock Pliers
- Adjustable Wrench
To get a preview of installation for an RO system, check out our DIY installation video here!
Maintenance
Sanitization
It recommended that you sanitize your RO system each time you change your filters (every 6 months depending on water quality). To sanitize your system, we recommend the use of Sani-System for RO Systems by Pro Products. The sanitation process itself takes 60 seconds of contact time. We provide a single use sanitizing packet with each of our reverse osmosis filter packs.
Repairing a Broken Fitting
Occasionally due to shipment or installation, RO fittings can break or leak. For this reason, we supply a spare elbow fitting with every RO unit. If your fitting breaks, you can use this extra fitting to repair your system in under 2 minutes.
Re-Pressurizing an RO Tank
Over time, the RO tank can lose pressure and you could begin to experience some problems. Tanks can be re-pressurized using a tire pressure gauge, and a bike pump or air compressor. The target pressure for our small residential RO systems is typically between 5-7 psi.
Replacement Filters
US Water Systems has more replacement filter packs than any other water treatment site. If you have an RO system, chances are we have replacement filters for your system. Buying a filter pack is fool-proof. Not only do you get all necessary filters for your system, but you also receive sanitation solution to make sure your first glass of water is as pure as it can be.