Log In Log In  |  Checkout   |  86 item(s)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
2 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
3 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x MK420, Maintenance kit for RO565
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x CBV-38, Tank Ball Valve to 3/8 tubing
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
2 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 752, DC Booster Pump w/ Transformer
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 6th Stage pn215 Refillable inline DI filter (color change)
2 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
2 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x 719, Drain Saddle Clamp / Valve
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800

View Cart$4,250.75
Specials Log InCreate Account Checkout  Shopping Cart86 item(s)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
2 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
3 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x MK420, Maintenance kit for RO565
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x CBV-38, Tank Ball Valve to 3/8 tubing
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
2 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 752, DC Booster Pump w/ Transformer
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 6th Stage pn215 Refillable inline DI filter (color change)
2 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
2 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x 719, Drain Saddle Clamp / Valve
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800

View Cart$4,250.75

ATEU, Tube Elbow Union Connector Fitting Tube OD Stem OD [ATEU]

$3.00

ATEU, Tube Elbow Union Connector Fitting Tube OD Stem OD



* ATEU, Tube Elbow Union Fitting Tube OD - Stem OD

* Please choose size from the selection box below. First number is tubing OD and second number is Stem 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" Stem OD ATEU0404
* 1/4" Tube OD x 3/8" Stem OD ATEU0406
* 3/8" Tube OD x 3/8" Stem OD ATEU0606
* 3/8" Tube OD x 1/2" Stem OD ATEU0607
* 1/2" Tube OD x 1/2" Stem OD ATEU0707


* 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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