Log In Log In  |  Checkout   |  158 item(s)
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
5 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x FRQ200, Flow Restrictor 200ML / min
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
2 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
2 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x 316, 2nd stage CTA 16 US Membrane filter
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 578, TDS Water Quality Meter tds-3
2 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x Special Filter Kit Koolermax dealer distribution kit
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
2 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x KT-103, Optional Manual Membrane Flush Valve
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x *Discontinued* RO585NTF
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 752, DC Booster Pump w/ Transformer
3 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
2 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x 205, 5th stage final carbon filter
1 x *Discontinued* RO585
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
2 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 720, Feed Water Adapter with Needle Valve
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x UU Clips Pair from Bracket to Membrane Filter
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 205, 3rd stage solid carbon block filter (replace every 12month)

View Cart$9,498.69
Specials Log InCreate Account Checkout  Shopping Cart158 item(s)
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
5 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x FRQ200, Flow Restrictor 200ML / min
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
2 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
2 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x 316, 2nd stage CTA 16 US Membrane filter
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 578, TDS Water Quality Meter tds-3
2 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x Special Filter Kit Koolermax dealer distribution kit
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
2 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x KT-103, Optional Manual Membrane Flush Valve
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x *Discontinued* RO585NTF
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 752, DC Booster Pump w/ Transformer
3 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
2 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x 205, 5th stage final carbon filter
1 x *Discontinued* RO585
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
2 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 720, Feed Water Adapter with Needle Valve
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x UU Clips Pair from Bracket to Membrane Filter
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 205, 3rd stage solid carbon block filter (replace every 12month)

View Cart$9,498.69

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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