Log In Log In  |  Checkout   |  137 item(s)
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
8 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x 752, DC Booster Pump w/ Transformer
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x *Discontinued* RO155C
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 719, Drain Saddle Clamp / Valve
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
4 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
4 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
6 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
5 x Optional: 564 Membrane Filter Housing Wrench Opener
4 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
3 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x MKP, Maintenance kit for K5150P K6150P AR150P
2 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x 706, Membrane Filter Casing Housing Assembly
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 205, 5th stage final carbon filter
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
3 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 565, Digital Pressure Gauge Tester Monitor
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x FRQ200, Flow Restrictor 200ML / min
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
3 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet

View Cart$5,116.39
Specials Log InCreate Account Checkout  Shopping Cart137 item(s)
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
8 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x 752, DC Booster Pump w/ Transformer
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x *Discontinued* RO155C
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 719, Drain Saddle Clamp / Valve
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
4 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
4 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
6 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
5 x Optional: 564 Membrane Filter Housing Wrench Opener
4 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
3 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x MKP, Maintenance kit for K5150P K6150P AR150P
2 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x 706, Membrane Filter Casing Housing Assembly
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 205, 5th stage final carbon filter
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
3 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 565, Digital Pressure Gauge Tester Monitor
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x FRQ200, Flow Restrictor 200ML / min
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
3 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet

View Cart$5,116.39

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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