Log In Log In  |  Checkout   |  104 item(s)
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
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
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
4 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
3 x 752, DC Booster Pump w/ Transformer
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x FRQ850, Flow Restrictor 850ML / min
1 x 201, 1st stage sediment filter (replace every 6-12 months)
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
2 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
2 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x 214, Clear Inline Filter Cartridge Empty Case
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 723, Feed Water Adapter with Ball Valve
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 706, Membrane Filter Casing Housing Assembly
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water

View Cart$3,785.99
Specials Log InCreate Account Checkout  Shopping Cart104 item(s)
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
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
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
4 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
3 x 752, DC Booster Pump w/ Transformer
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x FRQ850, Flow Restrictor 850ML / min
1 x 201, 1st stage sediment filter (replace every 6-12 months)
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
2 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
2 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x 214, Clear Inline Filter Cartridge Empty Case
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 723, Feed Water Adapter with Ball Valve
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 706, Membrane Filter Casing Housing Assembly
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water

View Cart$3,785.99

ATU TEE Union Connector Quick Connect QC Fitting [ATU]

$3.50

ATU TEE Union Connector Quick Connect QC Fitting



* ATU TEE Union Connector, Quick Connect

* Please choose size from the selection box below. Both numbers are tubing OD Outside Diameter. First number is Tee double side and second number is the single side. (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 ATU0404
* 3/8" Tube OD x 1/4" Tube OD ATU0604
* 3/8" Tube OD x 3/8" Tube OD ATU0606
* 1/2" Tube OD x 3/8" Tube OD ATU0706
* 1/2" Tube OD x 1/2" Tube OD ATU0707


* 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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