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1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x 706, Membrane Filter Casing Housing Assembly
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x 565, Digital Pressure Gauge Tester Monitor
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
2 x 752, DC Booster Pump w/ Transformer
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x *Discontinued* RD106
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 723, Feed Water Adapter with Ball Valve

View Cart$5,187.39
Specials Log InCreate Account Checkout  Shopping Cart111 item(s)
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x 706, Membrane Filter Casing Housing Assembly
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x 565, Digital Pressure Gauge Tester Monitor
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
2 x 752, DC Booster Pump w/ Transformer
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x *Discontinued* RD106
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 723, Feed Water Adapter with Ball Valve

View Cart$5,187.39

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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