Log In Log In  |  Checkout   |  101 item(s)
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
2 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
3 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Special Filter Kit Koolermax dealer distribution kit
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
2 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
2 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 719, Drain Saddle Clamp / Valve
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer

View Cart$3,579.87
Specials Log InCreate Account Checkout  Shopping Cart101 item(s)
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
2 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
3 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Special Filter Kit Koolermax dealer distribution kit
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
2 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
2 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 719, Drain Saddle Clamp / Valve
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer

View Cart$3,579.87

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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