ATU TEE Union Connector Quick Connect QC Fitting [ATU]

$3.50

* 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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1 x	Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x	TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
2 x	KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x	RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x	.K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
4 x	Optional: 564 Membrane Filter Housing Wrench Opener
2 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x	CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x	Discontinued RD102
1 x	ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
3 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
3 x	2nd stage C10 carbon block filter (replace every 6-12 months)
4 x	1st stage SF05 sediment filter (replace every 6-12 months)
3 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
2 x	673, Replacement UV Lamp Light for 602 (6 Watts)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	752, DC Booster Pump w/ Transformer
2 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x	290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x	741-38, Diverter Valve for RO DI Water Systems
4 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
3 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x	KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
4 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
3 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
4 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	.SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	FRQ850, Flow Restrictor 850ML / min
1 x	SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	Discontinued RO585A
1 x	723, Feed Water Adapter with Ball Valve
1 x	.K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
5 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	KT-103, Optional Manual Membrane Flush Valve
1 x	BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x	TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
2 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x	755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x	DI210, Heavy-duty DI system for Aquarium and Reef
3 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	FRQ550, Flow Restrictor 500 to 600ML / min
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
3 x	Parts, Ro Water System Installation Parts Bag 1/4"
2 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x	NM-5103, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	bulk205, Carbon Block Filter
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x	SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x	324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
2 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
2 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	FRQ420, Flow Restrictor 420ML / min
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x	4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x	4th Stage Color Changing DI Filter SC207 for AR-104H
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x	NM-5102, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
2 x	PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x	TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x	.AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x	CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x	SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x	706, Membrane Filter Casing Housing Assembly
1 x	.K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	.AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x	709, Automatic Shut Off Valve 4-way Four Way Valve
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x	UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	671C, Replacement UV Lamp Light for 609C (16 Watt)
2 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x	204, 2nd stage GAC filter (replace every 6-12 months)

View Cart	$7,995.34

1 x	Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x	TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
2 x	KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x	RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x	.K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
4 x	Optional: 564 Membrane Filter Housing Wrench Opener
2 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x	CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x	Discontinued RD102
1 x	ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
3 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
3 x	2nd stage C10 carbon block filter (replace every 6-12 months)
4 x	1st stage SF05 sediment filter (replace every 6-12 months)
3 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
2 x	673, Replacement UV Lamp Light for 602 (6 Watts)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	752, DC Booster Pump w/ Transformer
2 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x	290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x	741-38, Diverter Valve for RO DI Water Systems
4 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
3 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x	KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
4 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
3 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
4 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	.SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	FRQ850, Flow Restrictor 850ML / min
1 x	SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	Discontinued RO585A
1 x	723, Feed Water Adapter with Ball Valve
1 x	.K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
5 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	KT-103, Optional Manual Membrane Flush Valve
1 x	BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x	TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
2 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x	755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x	DI210, Heavy-duty DI system for Aquarium and Reef
3 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	FRQ550, Flow Restrictor 500 to 600ML / min
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
3 x	Parts, Ro Water System Installation Parts Bag 1/4"
2 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x	NM-5103, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	bulk205, Carbon Block Filter
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x	SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x	324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
2 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
2 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	FRQ420, Flow Restrictor 420ML / min
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x	4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x	4th Stage Color Changing DI Filter SC207 for AR-104H
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x	NM-5102, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
2 x	PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x	TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x	.AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x	CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x	SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x	706, Membrane Filter Casing Housing Assembly
1 x	.K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	.AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x	709, Automatic Shut Off Valve 4-way Four Way Valve
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x	UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	671C, Replacement UV Lamp Light for 609C (16 Watt)
2 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x	204, 2nd stage GAC filter (replace every 6-12 months)

View Cart	$7,995.34