Reverse Osmosis System Filters, RO Membranes and Parts

GE Merlin Replacement Water Filters

GE Merlin Replacement Water Filters

GE Merlin Replacement Water Filters, RO Reverse Osmosis Membranes and DIY Service Parts

We still have replacement water filters, reverse osmosis membranes and service parts for the GE Merlin system eventhough it has been discontinued. 

  1. GE-MERLIN Reverse Osmosis Tankless RO System-DISCONTINUED-NO LONGER AVAILABLE-STILL HAVE REPLACEMENT FILTERS, RO MEMBRANES, AND PARTS -  #1238342-175
    GE ® Merlin Reverse Osmosis Tankless RO System #1255052 - DISCONTINUED - NO LONGER AVAILABLE - WE STILL HAVE REPLACEMENT FILTERS, RO MEMBRANES AND PARTS
    THE GE MERLIN SYSTEM IS DISCONTINUED AND NO LONGER AVAILABLE - BUT WE STILL HAVE REPLACEMENT FILTERS, RO MEMBRANES AND PARTS - GE ® Merlin Reverse Osmosis Tankless RO System - GE-RO-M750 #1255052 Point-of-use RO System. The Merlin tankless RO system for residential and light commercial applications is a breakthrough on-demand, continuous flow, RO system by GE Osmonics providing up to 720 gallons of purified water per day. Continuous flow - no storage tank necessary. 17.05" wide x 20.34" tall x 9.68" deep. Learn More
    $599.99
  2. GE Merlin Reverse Osmosis Tankless RO System Pre-Filter-1000
    GE ® Merlin Reverse Osmosis Tankless RO System Pre Filter #1237460
    GE ® Merlin Reverse Osmosis Tankless RO System 5 micron Sediment / Carbon Pre Filter - #1237460 - The GE Merlin pre filter is a carbon and sediment pre filter combination that protects the membrane by pre filtering the water before it reaches the reverse osmosis membrane. 17" x 2.9". 3.75 GPM flow rate. The pre filter should be changed at least every 6 months, or more often in bad water areas. Learn More
    $34.99 Special Price $22.99 As low as $19.99
  3. Micron Sediment Pre-Filter # 1262847 for the GE MERLIN Reverse Osmosis Drinking Water System- 1266690-1000
    GE Merlin 10 Micron Sediment Pre Filter #1266690, 1262847 for Merlin RO System
    GE Merlin 10 Micron Sediment Pre Filter #1262847, 1266690. Installs in place of the carbon prefilter when the feed water is not chlorinated. Traps excess sediment. Easy to install and replace. Learn More
    $29.99 Special Price $17.99 As low as $15.99
  4. GE ® Merlin Reverse Osmosis Tankless RO System Post Filter #1244746
    GE ® Merlin Reverse Osmosis Tankless RO System Post Filter #1244746
    GE ® Merlin Reverse Osmosis Tankless RO System Post Filter #1244746 - The GE Merlin postfilter is a granular activated carbon filter that is the final filtering stage to your purified drinking water. 10.5" x 2.6". .75 GPM flow rate. The GE Merlin postfilter should be changed at least every 6 months. Learn More
    $29.99 Special Price $18.99 As low as $16.99
  5. Tankless RO System RO Membrane for GE MERLIN Reverse Osmosis Drinking Water System-#1238342-4000569-1238342-  1000
    GE ® Merlin Reverse Osmosis Tankless RO System RO Membrane #1238342
    GE ® Merlin Reverse Osmosis Tankless RO System RO Membrane #1238342 - Replacement Membrane for the 720 gallon-per-day GE Merlin Tankless Reverse Osmosis System. The membranes should be changed at least every 2-4 years. The GE Merlin RO system requires two RO membranes. Each 18.75" x 3.16", Flow rate.of 25 GPM each. Priced per each membrane, requires 2 membranes. Learn More
    $139.99 Special Price $99.99 As low as $84.99
  6. Pro Products Sani System Water Filtration System Sanitizer
    Pro Products Sani System Water Filtration System Sanitizer
    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
    $7.99 Special Price $4.99 As low as $2.49
  7. Molykote-From DOw Corning- 111 Compound-6 Gram O-ring Silicone Lubricant & Sealant-Dow-111-5-gram-1000
    Dow Corning - Molykote ® 111 6 gram O-ring Silicone Lubricant and Sealant - Be sure to lube your O-rings to help prevent leaks.
    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
    $5.99 Special Price $3.99 As low as $1.79
  8. Flush Kit for the GE MERLIN Reverse Osmosis System- 1268260-1000
    GE ® Merlin #1261345 & #1268260 Compatible Reverse Osmosis System Flush Kit
    GE ® Merlin #1268260 & 1261345 Compatible Reverse Osmosis System Flush Kit . 12" High x 7 1/2" Diameter. Free upgrade from the standard 2 gallon tank. Includes tank stand, 1/4" tank shut off valve, 6' of blue connection tube and instruction sheet. Learn More
    $89.99 Special Price $59.99 As low as $44.99
  9. Aquatec Pump for GE Merlin Reverse Osmosis System- Lifestyle Photo 1-1000
    Aquatec ® Pump For GE Merlin Reverse Osmosis System
    Aquatec ® Pump For GE Merlin Reverse Osmosis System - Aquatec engineering has created the perfect pump for the GE merlin RO reverse osmosis system. Make your GE Merlin system live up to its potential with a pressure booster pump. Increases flow and total GPD output. Improves TDS water quality. Pump output pressure is 65 PSI. 4 GPM. #5501-IV92-V77D - 120V - Straight John Guest pump connection fittings included. Learn More
    $299.99 Special Price $229.99 As low as $209.99
  10. Sea-Tech-Valve-3551-0808-1000
    Sea Tech ® Valve 3551-0808 Quick Connect Fitting For GE Merlin Reverse Osmosis RO System
    Sea Tech ® Valve 3551-0808 Quick Connect Fitting For GE Merlin Reverse Osmosis RO System. 90 degree right angle connector. Connects the GE Merlin reverse osmosis system to the inlet feed water line. 1/2" in and out. Simple to install. Learn More
    $18.99 Special Price $12.99 As low as $9.49
  11. Sea-Tech-Valve-3550-1008-1000
    Sea Tech ® Valve 3550-1008 Quick Connect Fitting For GE Merlin RO Reverse Osmosis System
    Sea Tech ® Valve 3550-1008 Quick Connect Fitting For GE Merlin RO Reverse Osmosis System. Connects the GE Merlin RO reverse osmosis system to the inlet feed water line. 1/2" Tube in and out. Simple to install. Learn More
    $21.99 Special Price $14.99 As low as $9.99
  12. TDS Meter - Test For Total Dissolved Solids In Water - Reverse Osmosis Membrane Tester - TDS Meter
    TDS Meter - Test For Total Dissolved Solids In Water - Reverse Osmosis Membrane Tester - TDS Meter
    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
    $49.99 Special Price $37.99 As low as $17.99
  13. TDS Water Meter Dual Mode Readings - DM2 HM Digital Professional Grade
    TDS Water Meter Dual Mode Readings - DM2 HM Digital Professional Grade - Easily Installs Inline - Very Simple To Use
    TDS Meter Dual Mode Readings - Professional Grade - Easily Installs Inline - Very Simple To Use. Measure the tap water coming in vs. the purified water going out of your system at any time. Use the meter to determine when the filters need to be changed. Highly efficient and accurate due to its advanced microprocessor technology. Displays TDS levels of the Feed Water and Product Water with in & out electrode probes. Auto-Off function conserves battery power. The unit shuts off automatically after 20 seconds. Dual Range - Measures from 0-999 ppm, with a resolution of 1 ppm. Learn More
    $69.99 Special Price $49.99 As low as $29.99
  14. 3M  6-in-1 Water Test Kit -Simple to Use - DIY In Home Water Quality Test Kit
    3M 6-in-1 Water Test Kit -Simple to Use - DIY In Home Water Quality Test Kit
    6 in 1 Home Water Test Kit by 3M. Use this 3M DIY water quality test for convenient on-site testing. The 3M DIY water quality test kit provides quick analysis. Learn More
    $15.75 Special Price $12.99
Easy TDS Membrane Performence Calculator
See If It is Time To Replace Your Membrane

Simply enter your Feed Water TDS and RO Water TDS into the boxes above and click "Submit". The percentage of TDS Rejection will be displayed. We normally recommend membrane replacement once you drop below 75%. This may vary in areas with high TDS in the feed water.

See our selection of TDS meters under Water Tests


Be sure to check our Parts Department for important replacement parts for your GE Merlin Reverse Osmosis System such as TDS Testers For Reverse Osmosis Membranes, Replacement Tanks, O-ringsFaucets, Pumps, Fittings, UV Systems and more service parts for your reverse osmosis pure water filter system.   View maintenance and servicing tips for GE Merlin drinking water filter system online at our Installation & Trouble Shooting Guide.

* GE Merlin ® is the registered trademark of GE, the manufacturer of GE Merlin brand drinking water filtration equipment.  The replacement water filters and reverse osmosis membranes listed above are not manufactured or endorsed by GE Merlin.  Rather, these replacement filters and RO membranes are manufactured by other companies.  While these filters and membranes are compatible for use in GE Merlin reverse osmosis water filtration equipment, we make no representation as to whether using these water filters and RO membranes is consistent with the warranty and specifications applicable to GE Merlin equipment.