Log In Log In  |  Checkout   |  43 item(s)
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x *Discontinued* RO155C
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch

View Cart$1,363.95
Specials Log InCreate Account Checkout  Shopping Cart43 item(s)
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x *Discontinued* RO155C
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch

View Cart$1,363.95

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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