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1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
2 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 752, DC Booster Pump w/ Transformer
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
2 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
2 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
5 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
2 x 741-14, Diverter Valve for Countertop Water Units
2 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 719, Drain Saddle Clamp / Valve
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x MK420, Maintenance kit for RO565
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
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 Parts, Ro Water System Installation Parts Bag 1/4"
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
2 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x *Discontinued* RO155
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 723, Feed Water Adapter with Ball Valve
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x bulk205, Carbon Block Filter
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x UU Clips Pair from Bracket to Membrane Filter

View Cart$5,007.48
Specials Log InCreate Account Checkout  Shopping Cart121 item(s)
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
2 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 752, DC Booster Pump w/ Transformer
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
2 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
2 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
5 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
2 x 741-14, Diverter Valve for Countertop Water Units
2 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 719, Drain Saddle Clamp / Valve
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x MK420, Maintenance kit for RO565
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
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 Parts, Ro Water System Installation Parts Bag 1/4"
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
2 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x *Discontinued* RO155
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 723, Feed Water Adapter with Ball Valve
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x bulk205, Carbon Block Filter
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x UU Clips Pair from Bracket to Membrane Filter

View Cart$5,007.48

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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