Log In Log In  |  Checkout   |  47 item(s)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x FRQ850, Flow Restrictor 850ML / min
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x 752, DC Booster Pump w/ Transformer
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x 706, Membrane Filter Casing Housing Assembly
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water

View Cart$2,346.47
Specials Log InCreate Account Checkout  Shopping Cart47 item(s)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x FRQ850, Flow Restrictor 850ML / min
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x 752, DC Booster Pump w/ Transformer
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x 706, Membrane Filter Casing Housing Assembly
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water

View Cart$2,346.47

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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