Log In Log In  |  Checkout   |  37 item(s)
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 706, Membrane Filter Casing Housing Assembly
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x PE Tubing Tube Cutter
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2

View Cart$1,619.95
Specials Log InCreate Account Checkout  Shopping Cart37 item(s)
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 706, Membrane Filter Casing Housing Assembly
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x PE Tubing Tube Cutter
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2

View Cart$1,619.95

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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