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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3 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
3 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x	AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x	752, DC Booster Pump w/ Transformer
1 x	HK120-P-TK-220V for EURO 220V / 50Hz
2 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	205, 2nd stage carbon block filter (replace every 12 months)
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
3 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	741-38, Diverter Valve for RO DI Water Systems
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
3 x	7044-K Union Tee Connector Fitting Compression type 1/4"
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
2 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
5 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x	Conversion Kit, Convert Aquarium to Drinking RO Water System
3 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
2 x	Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
6 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x	RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
3 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	Special Filter Kit Koolermax dealer distribution kit
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x	741-14, Diverter Valve for Countertop Water Units
1 x	FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x	.SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
2 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
7 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
3 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
3 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x	SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
2 x	Special, Single Stage Housing Bracket Shell Connection Kit
2 x	225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
4 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	.SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x	706, Membrane Filter Casing Housing Assembly
1 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x	HK120-P-TK for USA 110V / 60Hz
3 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x	SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
2 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	FRQ300, Flow Restrictor 300ML / min
2 x	DB40, DI Resin Refill Bag for DI210, RD322
1 x	5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x	SC412, Water Softening Filter Calcium Magnesium Hardness Removal
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
2 x	SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	NM-5001C, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
2 x	673, Replacement UV Lamp Light for 602 (6 Watts)
3 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x	568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x	718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	FRQ200, Flow Restrictor 200ML / min
1 x	718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
2 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	214, Clear Inline Filter Cartridge Empty Case
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x	FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x	CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)

View Cart	$4,842.33

3 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
3 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x	AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x	752, DC Booster Pump w/ Transformer
1 x	HK120-P-TK-220V for EURO 220V / 50Hz
2 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	205, 2nd stage carbon block filter (replace every 12 months)
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
3 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	741-38, Diverter Valve for RO DI Water Systems
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
3 x	7044-K Union Tee Connector Fitting Compression type 1/4"
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
2 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
5 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x	Conversion Kit, Convert Aquarium to Drinking RO Water System
3 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
2 x	Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
6 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x	RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
3 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	Special Filter Kit Koolermax dealer distribution kit
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x	741-14, Diverter Valve for Countertop Water Units
1 x	FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x	.SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
2 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
7 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
3 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
3 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x	SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
2 x	Special, Single Stage Housing Bracket Shell Connection Kit
2 x	225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
4 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	.SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x	706, Membrane Filter Casing Housing Assembly
1 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x	HK120-P-TK for USA 110V / 60Hz
3 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x	SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
2 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	FRQ300, Flow Restrictor 300ML / min
2 x	DB40, DI Resin Refill Bag for DI210, RD322
1 x	5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x	SC412, Water Softening Filter Calcium Magnesium Hardness Removal
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
2 x	SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	NM-5001C, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
2 x	673, Replacement UV Lamp Light for 602 (6 Watts)
3 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x	568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x	718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	FRQ200, Flow Restrictor 200ML / min
1 x	718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
2 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	214, Clear Inline Filter Cartridge Empty Case
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x	FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x	CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)

View Cart	$4,842.33