Log In Log In  |  Checkout   |  47 item(s)
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 741-14, Diverter Valve for Countertop Water Units
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
2 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x bulkc10, Koolermax Carbon Block Filter
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x bulk201, Sediment Filter
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)

View Cart$1,666.89
Specials Log InCreate Account Checkout  Shopping Cart47 item(s)
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 741-14, Diverter Valve for Countertop Water Units
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
2 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x bulkc10, Koolermax Carbon Block Filter
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x bulk201, Sediment Filter
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)

View Cart$1,666.89

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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