Log In Log In  |  Checkout   |  54 item(s)
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x *Discontinued* RO585A
1 x N-14-1M, Nipple Fitting connector between standard RO housing
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 578, TDS Water Quality Meter tds-3
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x *Discontinued* RO585
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x 565, Digital Pressure Gauge Tester Monitor
1 x *Discontinued* RO155C
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 706, Membrane Filter Casing Housing Assembly
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)

View Cart$2,703.45
Specials Log InCreate Account Checkout  Shopping Cart54 item(s)
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x *Discontinued* RO585A
1 x N-14-1M, Nipple Fitting connector between standard RO housing
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 578, TDS Water Quality Meter tds-3
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x *Discontinued* RO585
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x 565, Digital Pressure Gauge Tester Monitor
1 x *Discontinued* RO155C
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 706, Membrane Filter Casing Housing Assembly
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)

View Cart$2,703.45

AEU, Elbow Union Connector OD Quick Connect QC Fitting [AEU]

$3.00

AEU, Elbow Union Connector OD Quick Connect QC Fitting



* AEU, Elbow Union Connector TUBE OD w/ QC Quick Connect Fitting

* 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 AEU0404
* 3/8" Tube OD x 1/4" Tube OD AEU0604
* 3/8" Tube OD x 3/8" Tube OD AEU0606
* 1/2" Tube OD x 1/4" Tube OD AEU0704
* 1/2" Tube OD x 3/8" Tube OD AEU0706
* 1/2" Tube OD x 1/2" Tube OD AEU0707


* 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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