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	Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
2 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
4 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
5 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
3 x	3rd stage C10 carbon block filter (replace every 6-12 months)
2 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
4 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
6 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
2 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x	SC209, Specialty Filter Nitrate Removal Filter
2 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
2 x	2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
2 x	3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
2 x	Parts, Ro Water System Installation Parts Bag 1/4"
2 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	.AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
2 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
2 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	.AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
2 x	1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
6 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
2 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x	FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x	290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x	.AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x	KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
2 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
3 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
3 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x	.RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	Discontinued RD106
1 x	3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
2 x	MKP, Maintenance kit for K5150P K6150P AR150P
2 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
3 x	752, DC Booster Pump w/ Transformer
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
2 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
1 x	MK420, Maintenance kit for RO565
1 x	Discontinued RD150
1 x	KT-103, Optional Manual Membrane Flush Valve
1 x	.AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
2 x	225UP, 5th stage Inline Alkaline upgrade (includes media)
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
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	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x	741-14, Diverter Valve for Countertop Water Units
1 x	568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING

View Cart	$5,633.99

1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
2 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
4 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
5 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
3 x	3rd stage C10 carbon block filter (replace every 6-12 months)
2 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
4 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
6 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
2 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x	SC209, Specialty Filter Nitrate Removal Filter
2 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
2 x	2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
2 x	3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
2 x	Parts, Ro Water System Installation Parts Bag 1/4"
2 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	.AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
2 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
2 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	.AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
2 x	1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
6 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
2 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x	FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x	290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x	.AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x	KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
2 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
3 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
3 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x	.RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	Discontinued RD106
1 x	3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
2 x	MKP, Maintenance kit for K5150P K6150P AR150P
2 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
3 x	752, DC Booster Pump w/ Transformer
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
2 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
1 x	MK420, Maintenance kit for RO565
1 x	Discontinued RD150
1 x	KT-103, Optional Manual Membrane Flush Valve
1 x	.AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
2 x	225UP, 5th stage Inline Alkaline upgrade (includes media)
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
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	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x	741-14, Diverter Valve for Countertop Water Units
1 x	568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING

View Cart	$5,633.99