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1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
2 x *Discontinued* RD106
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x *Discontinued* RD150
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x 565, Digital Pressure Gauge Tester Monitor
2 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x *Discontinued* RD102
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x DB40, DI Resin Refill Bag for DI210, RD322

View Cart$5,184.60
Specials Log InCreate Account Checkout  Shopping Cart67 item(s)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
2 x *Discontinued* RD106
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x *Discontinued* RD150
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x 565, Digital Pressure Gauge Tester Monitor
2 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x *Discontinued* RD102
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x DB40, DI Resin Refill Bag for DI210, RD322

View Cart$5,184.60

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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