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

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

Amtrol ® RO 4 RO Replacement Tank for Reverse Osmosis Water Systems. 4.4 Gallon (15" high X 11" diameter - including base) SS Stainless Steel Connection Stem - Connection Size: 1/4" MNPT - Valve Optional Learn More

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

Replacement Air Gap Faucet For Reverse Osmosis Pure Water Systems - Calif. Low Lead Level - Usually used in conjunction with 3/8" Drain saddle. Has 3 line connections - one for the drain, one for the pure water to dispense and one for the waste water from the RO system. For use where required by code. 7" high. Long reach - Extends 5 1/2" from center of faucet. Learn More

Hydrotech ® E-VW-01 Filter Housing Spanner Wrench for Old Style 1230 HT-HTF Series Reverse Osmosis RO Systems. Also for the Aquifier series systems. For housing removal only. # 21401003. DOES NOT FIT NEW STYLE 1240 SYSTEMS. Learn More

Hydrotech ® S-FS-02 Sediment Replacement Water Filter Cartridge For Series HT & HTF 1230/1240 Reverse Osmosis RO Systems.  #41400008. String Wound Depth Gradient Sediement Pre Filter. (Black End Caps)  

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Hydrotech ® S-FS-19 & Aquafier Carbon Block Water Filter. CTO 10 Micron (Blue End Caps) # 41400009 For HT & HTF Series Reverse Osmosis RO Systems. a.k.a. #41400075 Learn More

Hydrotech ® HT-HTF & Aquafier Replacement Water Filter Housing Sump. # C-HT-19 # 20500023 For HT-HTF and Aquafier Series Reverse Osmosis RO Systems. Learn More

Hydrotech ® 3300103 50 GPD TFC Reverse Osmosis RO Membrane. Yellow/White Band) # 33001033 For HT & HTF Series Reverse Osmosis RO Systems. Learn More

Hydrotech ® 34201026 & Aquafier O-ring for filter housing. Fits Hydrotech, Aquafier and Hydrofiner systems. 2 1/2" diameter Learn More

Hydrotech Shut Off Assembly Inlet Cover O-ring #34201024 Learn More

The Hydrotech 41400076 Carbon/Sediment Cartridge is the genuine dual purpose filter.  The 41400076 cartridge filters sediment, dirt and rust particulate down to 5 microns. The carbon block media reduces bad tastes and odor in addition to chlorine which can damage your RO membrane.

The Hydrotech 41400076 Carbon/Sediment Cartride is used on a wide variety of Hydrotech 3 vessel Reverse Osmosis systems, including the 12401, HT102, HT103, HT12301 Systems. 

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Hydrotech 50GPD RO Reverse Osmosis System Capillary Flow Restrictor Tube #40600041

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