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2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
3 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
2 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 752, DC Booster Pump w/ Transformer
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x bulk205, Carbon Block Filter
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x bulk818, DI resin refill bags Di-Ionization media
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
View Cart$4,254.43
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Specials Log InCreate Account Checkout  Shopping Cart91 item(s)
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
3 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
2 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 752, DC Booster Pump w/ Transformer
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x bulk205, Carbon Block Filter
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x bulk818, DI resin refill bags Di-Ionization media
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
View Cart$4,254.43

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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