ABU, Bulkhead Union Connector [ABU]

$4.50

* ABU, Bulkhead Union Connector

* Please choose size from the selection box below. First number is tubing OD Outside Diameter and second number is NPT National Pipe Thread. (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" NPTF Thread ABU0404
* 1/4" Tube OD x 3/8" NPTF Thread ABU0406
* 3/8" Tube OD x 1/4" NPTF Thread ABU0604
* 3/8" Tube OD x 3/8" NPTF Thread ABU0606
* 1/2" Tube OD x 1/2" NPTF Thread ABU0707

* 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:

Reviews

1 x	225, 5th stage Inline Alkaline filter with clear case (annual)
1 x	752, DC Booster Pump w/ Transformer
2 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
3 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x	WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x	5th Stage pn215 Refillable inline DI filter (color change)
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
3 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x	214, Clear Inline Filter Cartridge Empty Case
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	FRQ200, Flow Restrictor 200ML / min
1 x	335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x	.K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x	1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x	718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x	.AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x	O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
2 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	Discontinued RO585ERP
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	WSACF-150T, Whole House Water Treatment ACF-150T
1 x	706, Membrane Filter Casing Housing Assembly
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	Discontinued RO155
1 x	2nd 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	HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x	204, 2nd stage GAC filter (replace every 6-12 months)
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	205, 2nd stage carbon block filter (replace every 12 months)
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
1 x	FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x	385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x	324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x	Discontinued RO6ALK
1 x	4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	bulk818, DI resin refill bags Di-Ionization media
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	KT-103, Optional Manual Membrane Flush Valve
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	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter

View Cart	$7,626.84

1 x	225, 5th stage Inline Alkaline filter with clear case (annual)
1 x	752, DC Booster Pump w/ Transformer
2 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
3 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x	WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x	5th Stage pn215 Refillable inline DI filter (color change)
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
3 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x	214, Clear Inline Filter Cartridge Empty Case
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	FRQ200, Flow Restrictor 200ML / min
1 x	335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x	.K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x	1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x	718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x	.AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x	O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
2 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	Discontinued RO585ERP
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	WSACF-150T, Whole House Water Treatment ACF-150T
1 x	706, Membrane Filter Casing Housing Assembly
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	Discontinued RO155
1 x	2nd 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	HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x	204, 2nd stage GAC filter (replace every 6-12 months)
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	205, 2nd stage carbon block filter (replace every 12 months)
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
1 x	FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x	385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x	324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x	Discontinued RO6ALK
1 x	4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	bulk818, DI resin refill bags Di-Ionization media
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	KT-103, Optional Manual Membrane Flush Valve
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	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter

View Cart	$7,626.84