Log In Log In  |  Checkout   |  28 item(s)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter

View Cart$998.83
Specials Log InCreate Account Checkout  Shopping Cart28 item(s)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter

View Cart$998.83

CKV0402, Blue color Elbow Check Valve Elbow Type [CKV0402]

$8.00

CKV0402, Blue color Elbow Check Valve Elbow Type



* CKV0402, Blue color Elbow Check Valve Elbow Type

* 1/4" Tube OD to 1/8" MNPT Thread

* For use with Rotek Systems, WaterGeneral, FilterDirect RO, and Alton RO systems.

* 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. 

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