Log In Log In  |  Checkout   |  34 item(s)
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x *Discontinued* RD106
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6

View Cart$1,941.85
Specials Log InCreate Account Checkout  Shopping Cart34 item(s)
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x *Discontinued* RD106
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6

View Cart$1,941.85

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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