Log In Log In  |  Checkout   |  40 item(s)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x bulk201, Sediment Filter
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)

View Cart$1,462.88
Specials Log InCreate Account Checkout  Shopping Cart40 item(s)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x bulk201, Sediment Filter
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)

View Cart$1,462.88

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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