Log In Log In  |  Checkout   |  24 item(s)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x FRQ850, Flow Restrictor 850ML / min
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)

View Cart$710.50
Specials Log InCreate Account Checkout  Shopping Cart24 item(s)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x FRQ850, Flow Restrictor 850ML / min
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)

View Cart$710.50

AHUC, Inline Ball Hand Valve Union Connector OD Tubing [AHUC]

$5.00

AHUC, Inline Ball Hand Valve Union Connector OD Tubing



* AHUC, Inline Ball Valve or Hand Valve Union Connector

* Position "Close" to force the water to flow to long reach faucet directly

* Position "Open" to allow the water flow in/out the water tank

* Please choose size from the selection box below. Both numbers are tubing OD Outside Diameter (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 AHUC0404
* 3/8" Tube OD x 3/8" Tube OD AHUC0606
* 1/2" Tube OD x 1/2" Tube OD AHUC0707


* 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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