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2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x *Discontinued* RD106
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x bulksf05, Koolermax Sediment Filter
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
2 x 204, 2nd stage GAC filter (replace every 6-12 months)
4 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 752, DC Booster Pump w/ Transformer
6 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
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 RO260
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x *Discontinued* RO585
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 706, Membrane Filter Casing Housing Assembly
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5

View Cart$5,901.31
Specials Log InCreate Account Checkout  Shopping Cart121 item(s)
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x *Discontinued* RD106
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x bulksf05, Koolermax Sediment Filter
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
2 x 204, 2nd stage GAC filter (replace every 6-12 months)
4 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 752, DC Booster Pump w/ Transformer
6 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
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 RO260
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x *Discontinued* RO585
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 706, Membrane Filter Casing Housing Assembly
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5

View Cart$5,901.31

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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