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	TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
3 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x	WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
3 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x	CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
2 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x	TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
5 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
2 x	2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x	DB40, DI Resin Refill Bag for DI210, RD322
1 x	SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
2 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
3 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	204, 2nd stage GAC filter (replace every 6-12 months)
5 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
6 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	MK8002, Maintenance kit for double membrane system RD322 RO260
4 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
9 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
3 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
2 x	SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x	755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
4 x	205 2nd stage solid carbon block filter (replace every 12 month)
2 x	CKV0402, Blue color Elbow Check Valve Elbow Type
2 x	SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x	PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x	FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
3 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	WSACF-150T, Whole House Water Treatment ACF-150T
1 x	3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
9 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x	ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
2 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
4 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
4 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x	DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
3 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
5 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x	FRQ850, Flow Restrictor 850ML / min
1 x	AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
4 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x	MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x	FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x	TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x	SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x	AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
11 x	Optional: 564 Membrane Filter Housing Wrench Opener
2 x	213, 5th stage inline carbon postfilter (replace every 12months)
3 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
4 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
3 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x	RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x	WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x	WS-150M, Whole House Water Softener
1 x	Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x	FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x	CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
2 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
3 x	290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
4 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
3 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
8 x	201, 1st stage sediment filter (replace every 6-12 months)
2 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
2 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
2 x	PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x	ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
3 x	752, DC Booster Pump w/ Transformer
6 x	Parts, Ro Water System Installation Parts Bag 1/4"
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x	4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x	ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x	SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
2 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x	1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
4 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x	.K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x	SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
10 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	225, 5th stage Inline Alkaline filter with clear case (annual)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x	913, 5th stage inline carbon filter (every 12 months)
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x	.K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x	.K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x	326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
8 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
3 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x	bulk201, Sediment Filter
2 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
2 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x	SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
2 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	550, Standard Chrome Steel Faucet with Spigot for Water Filter,
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3 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x	.SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
2 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	.K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
2 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x	KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x	bulksf05, Koolermax Sediment Filter
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5
2 x	2nd stage C10 carbon block filter (replace every 6-12 months)
2 x	.AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x	Discontinued RO585ERP
1 x	FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x	.K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
2 x	225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x	bulk818, DI resin refill bags Di-Ionization media
1 x	.AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
2 x	Discontinued RD106
2 x	NM-5104, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	.SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x	.K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
2 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x	Special Filter Kit Koolermax dealer distribution kit
1 x	KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x	FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x	UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
2 x	.AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x	Discontinued RD102
1 x	205, 5th stage final carbon filter
5 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	MKP, Maintenance kit for K5150P K6150P AR150P
1 x	Discontinued RO585NTF
1 x	213, 4th stage inline carbon filter (replace every 12 months)
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x	3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x	1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x	bulk205, Carbon Block Filter
1 x	.AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
2 x	KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x	Discontinued RD150
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x	bulkic21, Koolermax Inline Carbon Filter
1 x	BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x	KF310, Elite Series: Polish Chrome Drinking Water Faucet
3 x	KT-103, Optional Manual Membrane Flush Valve
2 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	.RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x	SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	bulk213, Inline Carbon Filter
1 x	KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x	385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x	.K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	316, 2nd stage CTA 16 US Membrane filter
2 x	Conversion Kit, Convert Aquarium to Drinking RO Water System
2 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x	Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x	Discontinued RO6ALK
1 x	205, 2nd stage carbon block filter (replace every 12 months)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x	Discontinued RO585
1 x	318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x	DI210, Heavy-duty DI system for Aquarium and Reef
1 x	Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x	KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
2 x	NM-5001C, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	.AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x	NM-5102, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
2 x	741-14, Diverter Valve for Countertop Water Units
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x	DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x	FRQ550, Flow Restrictor 500 to 600ML / min
2 x	720, Feed Water Adapter with Needle Valve
1 x	FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x	214, Clear Inline Filter Cartridge Empty Case
2 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	FRQ300, Flow Restrictor 300ML / min
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
2 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x	AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x	O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x	335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
2 x	DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
2 x	578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
2 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
2 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	741-38, Diverter Valve for RO DI Water Systems
1 x	HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
2 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
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1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
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1 x	799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x	MK420, Maintenance kit for RO565
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x	SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x	HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x	310, 2nd stage CTA 10 US Membrane filter
1 x	568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	Discontinued RO155
2 x	578, TDS Water Quality Meter tds-3
1 x	CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	723, Feed Water Adapter with Ball Valve
2 x	FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x	FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x	UU Clips Pair from Bracket to Membrane Filter
1 x	732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x	671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x	FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x	FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x	CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x	CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water

View Cart	$28,770.74