Log In Log In  |  Checkout   |  62 item(s)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x MK420, Maintenance kit for RO565
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x FRQ200, Flow Restrictor 200ML / min
1 x 720, Feed Water Adapter with Needle Valve
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x bulk201, Sediment Filter
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x bulkc10, Koolermax Carbon Block Filter
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x FRQ420, Flow Restrictor 420ML / min

View Cart$3,241.82
Specials Log InCreate Account Checkout  Shopping Cart62 item(s)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x MK420, Maintenance kit for RO565
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x FRQ200, Flow Restrictor 200ML / min
1 x 720, Feed Water Adapter with Needle Valve
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x bulk201, Sediment Filter
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x bulkc10, Koolermax Carbon Block Filter
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x FRQ420, Flow Restrictor 420ML / min

View Cart$3,241.82

ACHV, Check Valve Inline Type [ACHV]

$9.00

ACHV, Check Valve Inline Type



* ACHV, Check Valve Inline Type

* Please choose size from the selection box below. Both numbers are tubing OD Outside Diameter. First number is Tube in and second number is Tube out. (Pipe sizes can be confusing even for the experienced user. Pipe size is not the actual outside or inside diameter of the pipe but is the industry accepted designation. If you have any question please email us first.)
* 1/4" Tube OD x 1/4" Tube OD ACHV0404
* 3/8" Tube OD x 3/8" Tube OD ACHV0606
* 1/2" Tube OD x 1/2" Tube OD ACHV0707


* Water & foods use: Products are manufactured from safe, non-toxic materials meeting the requirements of the US FDA, ERAS, ANSI/NSF-51,61, and SK Zert. Our products are widely used in water purification, food/beverage, and pneumatic systems.

* Function & Quality: Provides quick and convenient assembly-saving time & expense.

* Collet Design: Our unique oval collet design is superior and more practical, and is an improvement welcomed by our world wide customers in all industries.

* Additional Applications: Beyond water and food use, fittings can be used with air, gases, vacuum, & liquids. All connections can be assembled & disassembled repeatedly. A broad range of sizes covers a broad scope of applications.

* We carry different fittings in variation of sizes: 1/4", 3/8", or 1/2" adapters, connectors, fittings, or valves.  Most are not listed online, to avoid confusion to majority of RO system customers.  

* Send us a message with specification, intended application, and image of your setup or old fitting  to check if we have what you need. 

Available Options:

Size Combination:

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