Large selection of replacement water filters, reverse osmosis membranes, testing kits and water filter system repair parts. From one water filter or membrane to case quantity discounts.

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Hydrotech Aquafier Multi-Stage HT104 Series Carbon Drinking Water System Replacement Water Filters

Hydrotech Aquafier Multi-Stage HT104 Series Carbon Drinking Water System Replacement Water Filters


Original Hydrotech Aquafier Multi-Stage 104 Series Carbon Drinking Water System Replacement Water Filters.  All the Parts to Service and Maintain Your Under Counter Drinking Water System.

The filters should be changed at least every 12 months.  More often if used more often or you notice any change in flow rate or taste and odor. Each filter change will require the following filters:

(3) S-FS-24 - #41400011 Carbon Block With VOC Reduction (volitile organic compounds)

(1) S-FS-13 - #41400010 Carbon Block With Lead Reduction (third in line when changing filters)

For Hydrotech Aquafier systems with or without Smartap.  Aquafier 104 Series, 10401, 10402, 10403, F-AQS-5SPB, F-AQ-5SPB, 10401100, 10403101, 10402101, 10403102 Multi-Stage Carbon Filtration Drinking Water Systems. Also fits HT101 Series, HT102 Series, HT103 Series, 104 Series, 10201, 10202, 10203, 10204, 10205, 10206, 10207, 10301, 10302, 10303, 10304, 10106, 10107, 10103, 10104, 10105 and 12301.


Hydrotech 1240 / 1230 Series Reverse Osmosis System Owner's Manual

We have been an authorized Hydrotech dealer dating back before we became one of the first online water filter stores in 1999.  Our techs have been servicing Hydrotech and Aquaflo reverse osmosis systems since 1989.  We know Hydrotech.

  1. 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?

    Dow 111 Silicone MSDS Safety Sheet

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    $5.99 Special Price $3.99 As low as $1.79
  2. Pro Products Sani System RO & Water Filtration System Sanitizer
    Pro Products Sani System RO & 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..
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    $7.99 Special Price $4.99 As low as $2.99
  3. TouchFlo Faucet TF-9820-00F Non Air Gap Replacement Faucets
    HALF PRICE CLOSEOUT SALE - Touch Flo Faucet TF-9820-00F Non Air Gap
    HALF PRICE CLOSEOUT SALE - Touch Flow Faucet TF-9820-00F Non Air Gap Long Reach High Quality Faucet - Well Known As The Premium Faucet Manufacturer, These are Some Of The Last TouchFlo Faucets Still Available. California Prop. 65 Low Lead Level. Distributor Closeout. One time sale price at 50% off. When they are gone, they are gone. Mix colors for quantity discounts. Dealers stock up now while we still have them!
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    $60.00 Special Price $29.99 As low as $22.99
  4. Stainless Steel Designer Faucet for RO Reverse Osmosis & Drinking Water Filtration Systems
    Stainless Steel Designer Faucet for RO Reverse Osmosis & Drinking Water Filtration Systems
    Stainless Steel Designer Faucet for Drinking Water Systems. Beautiful designer faucet for beautiful kitchens. Air Gap / Non Air Gap design, single or three tube connection. Made of high quality 304 stainless steel incorporating a smooth operating ceramic disk element for extended reliability and quality. Great replacement upgrade for RO Reverse Osmosis and drinking water filtration systems. Lever Style Handle. High Reach Neck Design (12" / 305mm) 360 Degree Swivel Neck. Unique Protective Spout Tip which Prevents After Drip. 2 1/4" Base Diameter (57 mm) Drilled Hole Size Needed is 7/8".
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    $219.99 Special Price $99.99
  5. Easy Tap Water Feed Valve for Water Filter Systems - 2000
    Easy Tap Water Feed Valve For Water Filter Systems 3/8" Feed Tube
    Easy Tap Water Feed Valve - High flow tap valve. Follow the pipe up from the shut-off valve toward faucet until you reach a coupling nut (may be all the way up to the faucet). Unscrew coupling nut. Screw brass easy tap onto previous location of coupling nut. Hand tighten and then one more complete turn with wrench. Re-attach water line coupling nut to easy tap. The valve on the side of the easy tap is the shut off valve for your new RO system. If the handle is turned clockwise all of the way, this is the "OFF" position for your new RO system. Counterclockwise all of the way is the "ON" position.
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    $16.99 Special Price $8.99 As low as $4.99
  6. John Guest Super Speedfit Quick Connector - Male - Elbow
    John Guest ® Super Speedfit Quick Connector - Male - Elbow
    John Guest ® Super Speedfit Quick Connector - Male - Elbow - John Guest Super Speedfit Quick Connectors - Male - MNPT - Sold in pairs. Price is per pair. These fittings are manufactured in gray acetal copolymer with food grade nitrile ‘o’ ring, making them especially suitable for applications involving foodstuff and potable liquids like reverse osmosis drinking water. They are equally suitable for air and inert gasses and can therefore be used on CO2 lines, pneumatic applications, and vacuum. For more than a decade, John Guest has been supplying Super Speedfit fittings to the Water Purification market for drinking water applications in homes, restaurants and industry. John Guest products are listed with the WRC(UK), NSF(US) and SK(Germany). PI480821S , PI480822S , PI480823S , PI481222S , PI481223S
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    $8.99 Special Price $4.99 As low as $3.99
  7. Chiller Daddy CHL-750XL Under Sink Water Chiller - 110 Volt
    Chiller Daddy CHL-750XL Under Sink Water Chiller - 110 Volt

    110 Volt Chiller Daddy ® CHL-750XL Under Sink Water Chiller -  NEW TANK IS 25% LARGER than our previous chillers.  Output Cold Tank Volume : 3 liter (0.8 gallon) Exterior cabinet is made of RUST FREE 304 SS Stainless Steel. Cold Water Container is made of SUS304 Stainless Steel. Inlets and outlets are 1/4" stainless steel 304. Includes a pair of quick connectors for a simple hook up. Output of Cold Water : 1.75 Gallons Per Hour (6.6 Liters 5L/H (<10C) Continuous Cold Water Output(cc/hr). This is a high output, heavy duty undersink drinking water chiller. Great for use with a Reverse Osmosis System or drinking water filter system.

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    $499.99 Special Price $395.00 As low as $354.00

Be sure to check our Parts Department for important parts such as TDS Testers For Reverse Osmosis Membranes, Replacement Tanks, O-rings , Filter Housing Wrenches, Faucets, Pumps, Fittings, UV Systems and more parts for your reverse osmosis pure water filtration system.   View maintenance and servicing tips online at our Installation & Trouble shooting Guide.





Easy TDS Membrane Performance 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

* Hydrotech, Aquafier, Smartap and Puritap are the registered trademarks of Canature, the manufacturer of Hydrotech brand drinking water filtration equipment.    Hydrotech Aquafier HT104 Series, 10401, 10402, 10403, F-AQS-5SPB, F-AQ-5SPB, 10401100, 10403101, 10402101, 10403102 Multi-Stage Carbon Filtration Drinking Water Systems equipment.