Log In Log In  |  Checkout   |  114 item(s)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x KT-103, Optional Manual Membrane Flush Valve
3 x 201, 1st stage sediment filter (replace every 6-12 months)
5 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
3 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
2 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x DI210, Heavy-duty DI system for Aquarium and Reef
4 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x *Discontinued* RD102
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
2 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x *Discontinued* RD150
1 x DB40, DI Resin Refill Bag for DI210, RD322
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
4 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
3 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x *Discontinued* RO585NTF
2 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 720, Feed Water Adapter with Needle Valve
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
2 x 752, DC Booster Pump w/ Transformer
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x 706, Membrane Filter Casing Housing Assembly
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1

View Cart$8,251.94
Specials Log InCreate Account Checkout  Shopping Cart114 item(s)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x KT-103, Optional Manual Membrane Flush Valve
3 x 201, 1st stage sediment filter (replace every 6-12 months)
5 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
3 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
2 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x DI210, Heavy-duty DI system for Aquarium and Reef
4 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x *Discontinued* RD102
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
2 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x *Discontinued* RD150
1 x DB40, DI Resin Refill Bag for DI210, RD322
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
4 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
3 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x *Discontinued* RO585NTF
2 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 720, Feed Water Adapter with Needle Valve
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
2 x 752, DC Booster Pump w/ Transformer
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x 706, Membrane Filter Casing Housing Assembly
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1

View Cart$8,251.94

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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