Log In Log In  |  Checkout   |  27 item(s)
1 x 719, Drain Saddle Clamp / Valve
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x *Discontinued* RD102
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x DI210, Heavy-duty DI system for Aquarium and Reef
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)

View Cart$1,020.50
Specials Log InCreate Account Checkout  Shopping Cart27 item(s)
1 x 719, Drain Saddle Clamp / Valve
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x *Discontinued* RD102
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x DI210, Heavy-duty DI system for Aquarium and Reef
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)

View Cart$1,020.50

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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