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2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x EMT-10, Empty Filter Cartridge Casing Housing
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
3 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
6 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 723, Feed Water Adapter with Ball Valve
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x *Discontinued* RD106
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 720, Feed Water Adapter with Needle Valve
1 x 741-14, Diverter Valve for Countertop Water Units
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x Special Filter Kit Koolermax dealer distribution kit
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
3 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 565, Digital Pressure Gauge Tester Monitor
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT

View Cart$4,007.63
Specials Log InCreate Account Checkout  Shopping Cart91 item(s)
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x EMT-10, Empty Filter Cartridge Casing Housing
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
3 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
6 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 723, Feed Water Adapter with Ball Valve
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x *Discontinued* RD106
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 720, Feed Water Adapter with Needle Valve
1 x 741-14, Diverter Valve for Countertop Water Units
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x Special Filter Kit Koolermax dealer distribution kit
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
3 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 565, Digital Pressure Gauge Tester Monitor
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT

View Cart$4,007.63

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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