Log In Log In  |  Checkout   |  152 item(s)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
2 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
3 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
3 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
2 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 752, DC Booster Pump w/ Transformer
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
4 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
5 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
2 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x *Discontinued* RO6ALK
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
3 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x DI210, Heavy-duty DI system for Aquarium and Reef
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
2 x *Discontinued* RD106
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
2 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x bulksf05, Koolermax Sediment Filter
1 x KT-103, Optional Manual Membrane Flush Valve
1 x bulk213, Inline Carbon Filter
2 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Special Filter Kit Koolermax dealer distribution kit
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
3 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
5 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x bulk205, Carbon Block Filter
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x *Discontinued* RD102
1 x *Discontinued* RO585A
View Cart$10,495.55
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Specials Log InCreate Account Checkout  Shopping Cart152 item(s)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
2 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
3 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
3 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
2 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 752, DC Booster Pump w/ Transformer
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
4 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
5 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
2 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x *Discontinued* RO6ALK
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
3 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x DI210, Heavy-duty DI system for Aquarium and Reef
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
2 x *Discontinued* RD106
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
2 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x bulksf05, Koolermax Sediment Filter
1 x KT-103, Optional Manual Membrane Flush Valve
1 x bulk213, Inline Carbon Filter
2 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Special Filter Kit Koolermax dealer distribution kit
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
3 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
5 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x bulk205, Carbon Block Filter
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x *Discontinued* RD102
1 x *Discontinued* RO585A
View Cart$10,495.55

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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