Log In Log In  |  Checkout   |  46 item(s)
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x *Discontinued* RO585
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x MKP, Maintenance kit for K5150P K6150P AR150P
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for

View Cart$2,364.00
Specials Log InCreate Account Checkout  Shopping Cart46 item(s)
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x *Discontinued* RO585
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x MKP, Maintenance kit for K5150P K6150P AR150P
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for

View Cart$2,364.00

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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