Log In Log In  |  Checkout   |  66 item(s)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
2 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x *Discontinued* RO6ALK
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x *Discontinued* RO155C
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x HK120-P-TK for USA 110V / 60Hz
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x FRQ200, Flow Restrictor 200ML / min
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x *Discontinued* RD106
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING

View Cart$4,500.39
Specials Log InCreate Account Checkout  Shopping Cart66 item(s)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
2 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x *Discontinued* RO6ALK
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x *Discontinued* RO155C
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x HK120-P-TK for USA 110V / 60Hz
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x FRQ200, Flow Restrictor 200ML / min
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x *Discontinued* RD106
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING

View Cart$4,500.39

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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