Save With Quantity Discounts On Replacement Water Filters and Reverse Osmosis Membranes

Star SO7RO1

Star SO7RO1

Star SO7RO1 3 stage reverse osmosis system replacement water filters, CTA RO membrane, faucets, tanks, auto shut off valves.

All the parts needed to keep your Star SO7RO1 RO system in top performance. Sediment prefilters, carbon post filters and CTA reverse osmosis membrane replacements.  Replacement faucets, accumulator water tanks, valves and performance enhancing accessories like UV sterilizers and undersink water chillers.

136253 Compatible Replacement Sediment Water Pre Filters
136254 Compatible Replacement Carbon Block Water Post Filters
136250 Compatible Replacement Reverse Osmosis CTA RO Membrane Designed For City Water
136835 Compatible Replacement Filter Housing Sump O-ring
136830 Compatible Replacement Water Storage Tank
136579 Compatible Replacement Air Gap Faucet
136382 Compatible Replacement ASV Automatic Shut-Off Valve
136259 Compatible Replacement RO Membrane Housing
136833 Drain Clamp Saddle - Be sure to order the 3/8 version for Air Gap Faucets

The Star SO7RO1 undersink drinking water system was manufactured by Flint & Walling.

3 Stage Reverse Osmosis System With Air Gap Faucet Connection Diagram


Learn How To Upgrade The GPD Capacity of Your Reverse Osmosis Membrane

Reverse Osmosis System Parts Department

Learn How To See If Your Reverse Osmosis Membrane Needs Replaced

Water Filter and Reverse Osmosis Membrane Change Guide

  1. GE Osmonics ® Purtrex PX-5-978 Sediment Replacement Water Filter # 93023

    Regular Price: $8.99

    Special Price $5.99

    As low as: $3.99
    GE Osmonics ® Purtrex PX-5-978 5 Micron Sediment Water Pre Filter. True-graded density pure polypropylene depth replacement water filter. # 93023 9 7/8" long X 2 1/2" diameter. 40 per case, sold individually. Order a full case and save even more. Learn More
  2. Flow_Restrictor-1000

    Regular Price: $33.99

    Special Price $19.99

    As low as: $14.99
    150 ml Premium inline reverse osmosis membrane flow restrictor - Our in-line capillary flow restrictors are simple to install. Simply push the 1/4" poly tube firmly into the quick connectors and you are done. Be sure that you order the flow restrictor size to match your reverse osmosis membrane size. Arrow on side points toward the drain. Very simple to install. Learn More
  3. GGN-10-2-1000

    Regular Price: $12.99

    Special Price $9.99

    As low as: $7.79
    THE GGN-10-2-BLOCK IS ON BACK ORDER, IF YOU ORDER THE GGN-10-2-BLOCK YOU WILL RECEIVE THE KX CTO. GGN-10-2-BLOCK Premium Carbon Block Filter. Replaces KX Carbon Block Water Filter # 10-250-190-975 Compatible Replacement. Extruded Carbon Block Water Filter. 9 3/4" long X 2 1/2" diameter OD X 1 1/4" diameter ID. 20 per case, sold individually. Order a case and save even more. Learn More
  4. Desal ® CTA-16 RO reverse osmosis membrane # 1201332 GE Osmonics Pentair

    Regular Price: $69.99

    Special Price $49.99

    As low as: $35.99
    Desal ® CTA-16 GE Pentair Osmonics - 16 GPD (gallons per day) CTA reverse osmosis membrane - standard size. # 1201332 - 1224433. Compatible with Dow Filmtec, and CSM RO Reverse Osmosis membranes. Learn More
  5. PENTEK- #151121- Slim-Line Water Filter Housing Replacement - 1000

    Regular Price: $5.69

    Special Price $4.99

    As low as: $3.00
    Pentek # 151121 O-Ring For Slim Line Water Filter Housing Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands. O-Ring For Slim Line Water Filter Housing. Buna-N FDA Grade. (Slim Line Housings Use A 3 1/2" diameter "O" Ring) Ametek # 151121 Same as Culligan OR-38 O-ring. Learn More
  6. Molykote-From DOw Corning- 111 Compound-6 Gram O-ring Silicone Lubricant & Sealant-Dow-111-5-gram-1000

    Regular Price: $5.99

    Special Price $3.99

    As low as: $1.79
    Dow Corning/ Molykote ® 111 6 gram O-ring Silicone Lubricant and Sealant - 6 gram pillow pack. (like a ketchup packet) Great O-ring sealant and lubricant. FDA and NSF approved. (Do Not Use Petroleum Jelly As It May Break Down O-rings Or Housings) This is the same premium grade silicone sealant and lubricant used in underwater photography cameras, scuba gear and other underwater applications that simply can't afford leaks. Why not use the best for your reverse osmosis or drinking water filtration system? Learn More
  7. Pentek SW-1A # 150539 SW1 Slim Line Water Filter Housing Spanner Wrench

    Regular Price: $9.99

    Special Price $6.99

    As low as: $4.99
    Pentek SW-1A # 150539 SW1 Slim Line Water Filter Housing Spanner Wrench. Compatible With Culligan, Ametek, US Filter, Plymouth, Kleen Plus, American Plumber, Bruner & Many Other Brands. SW-1 Water Filter Housing Wrench. Fits 4" Slim Line Housings. (Slim Line Housings Have A 3 1/2" diameter "O" Ring) Ametek # 150294. Only for use in loosening filter housings, never to tighten. Overtightening may cause damage to the O-rings and make re-opening VERY difficult. Hand tighten only. Fits most standard style RO systems. Replaces 150294. For really stubborn filter housings our technicians will use two wrenches together for maximum power where one wrench might break or not do the job. Place the handles of two wrenches pointing in opposite directions and it will apply force evenly. Our techs know the tricks. Learn More
  8. 4 Gallon Reverse Osmosis Tank GGN-Tank-4-Pro-3.2

    Regular Price: $79.99

    Special Price $49.99

    GGN-Tank-4 - 4 Gallon RO Reverse Osmosis Tank 1/4" NPT Threads. Stainless Steel connector. This is the perfect replacement tank for most residential RO Reverse Osmosis systems. 7 psi Choose White or Blue color. UPC #850901003491 Learn More
  9. Air Pressure Gauge for Reverse Osmosis Water Accumulator Tanks -1000

    Regular Price: $24.99

    Special Price $17.99

    As low as: $12.99
    Air pressure gauge for reverse osmosis water accumulator tanks - Specially calibrated for reverse osmosis system tanks. Scale from 1 to 20 PSI. Large scale reading over small PSI range allows optimum accuracy. Just like car tires lose air pressure, so does the bladder of your reverse osmosis water accumulator tank. Improper tank air pressure will cause your system to operate improperly. This is a must for all reverse osmosis system owners. Learn More
  10. Pro Products Sani System Water Filtration System Sanitizer

    Regular Price: $7.99

    Special Price $4.99

    As low as: $2.49
    Sani-System ® Pro Products is proud to introduce Sani-System, the first and only EPA product approved for sanitizing water softeners, RO units and Water Coolers. Alos NSF certified. Sani System is proven to kill 99.9% of E. coli, E. coli O157:H7, Staphylococcus aureus, Listeria monocytogenes and other harmful bacteria. It does not use chlorine, other oxidizers or acids that can harm water softener equipment parts. Use is simple; each dose comes in a pre-measured pouch. Just cut, pour and regenerate softener. No measuring, No mess! Sanitizing Equipment! Applications Interior Surfaces of Water Softeners, Reverse Osmosis (RO) Units, Ice Machines, Water Coolers, Water Holding Tanks and Pressure Tanks. Pro Products Sani System Sanitizer. 0.25 fl. oz. concentrate is perfect for your RO reverse osmosis drinking water system sanitizing.. Learn More
  11. John Guest Speedfit Water Tank Valve For Reverse Osmosis Systems

    Regular Price: $17.99

    Special Price $11.99

    As low as: $9.99
    John Guest ® Tank Valve For Reverse Osmosis Systems - These valves are manufactured in white polypropylene with food grade EPDM 'O' Rings for use with potable water. This fitting is made of the following components: The body is produced in polypropylene. PPSV500822W and PPSV501222W. Learn More
  12. GGN-Faucet-AG-P-Chrome Air Gap Faucet-Long Reach-1000

    Regular Price: $39.99

    Special Price $29.99


    Learn More
  13. Automatic Shut Off Valve - With Quick Connections for Reverse Osmosis RO System - ASO ASV - 2000

    Regular Price: $29.99

    Special Price $20.99

    As low as: $16.99
    Auto Shut Off RO 1 With Quick Connections- Automatic shutoff valve for reverse osmosis systems. ASO ASV Easy to use 1/4" OD Tube with quick connections. The valve automatically shuts off production when the tank pressure reaches approximately 65% of the incoming line pressure. Learn More
  14. DRAIN SADDLE - 3/8'' -PDC60438M- 2000

    Regular Price: $11.99

    Special Price $6.99

    Drain Saddle 3/8" Learn More
  15. TDS Meter - Test For Total Dissolved Solids In Water - Reverse Osmosis Membrane Tester - TDS Meter

    Regular Price: $49.99

    Special Price $37.99

    As low as: $17.99
    TDS Meter - Tester. The Only Way To Know If Your Reverse Osmosis RO Membrane Is Performing Correctly - Tests for TDS - Total Dissolved Solids. A Must For All RO System Owners. Compare Incoming Feed Water To Treated Water - Replace Membrane If Less Than 80% of TDS Is Being Removed Learn More
  16. TDS Meter Inline Water Tester DM1 - HM Digital Dual Mode Reading

    Regular Price: $49.99

    Special Price $39.99

    As low as: $19.99
    TDS Water Meter - HM Digital DM1 - Dual Mode - Installs Inline - Check the TDS level with the push of a button. Now you can easily check to make sure the water from your reverse osmosis system is top quality. Measure the tap water coming in vs. the purified water going out of your system at any time. Very easy installation. Highly efficient and accurate due to its advanced microprocessor technology. Auto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use. Dual Range 0-9990 ppm. Always know if your RO membrane is performing correctly! Learn More
  17. JOHN GUEST- 1/4'' Natural/ Clear Poly Tube- Clear Replacement Tubing for Water Filter Systems- 1000
    John Guest 1/4" Natural Clear Poly Tube - Clear Replacement Tubing for Water Filter Systems Learn More
  18. Inline Water Shut Off Valve- 3/8'' SMC-1000
    Shut Off Valve 3/8 - Inline Water Shut off Valve-3/8' SMC Learn More

* Star Water, & Flint & Walling ® is the registered trademark of Flint & Walling, Inc. of Kendallville, Indiana 46755, the manufacturer of Star Water ® brand water treatment equipment. The replacement filters and membranes listed above are not manufactured or endorsed by Flint & Walling ®. Rather, these filters and membranes are manufactured by other companies. While these filters and membranes are compatible for use in Star Water ® brand water treatment equipment, we make no representation as to whether using these filters and membranes is consistent with the warranty and specifications applicable to Star Water ® equipment.