Log In Log In  |  Checkout   |  28 item(s)
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x FRQ420, Flow Restrictor 420ML / min
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x *Discontinued* RD106
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
View Cart$900.45
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Specials Log InCreate Account Checkout  Shopping Cart28 item(s)
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x FRQ420, Flow Restrictor 420ML / min
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x *Discontinued* RD106
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
View Cart$900.45

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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