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2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x *Discontinued* RO6ALK
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x *Discontinued* RO585ERP
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)

View Cart$3,003.20
Specials Log InCreate Account Checkout  Shopping Cart37 item(s)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x *Discontinued* RO6ALK
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x *Discontinued* RO585ERP
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)

View Cart$3,003.20

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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