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	Discontinued RO585ERP
4 x	201, 1st stage sediment filter (replace every 6-12 months)
2 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
3 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	Discontinued RO585NTF
3 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	WH-10, Whole House Water Treatment Carbon Filter System 10" Big
3 x	1st stage SF05 sediment filter (replace every 6-12 months)
4 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	WS-150M, Whole House Water Softener
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	DI210, Heavy-duty DI system for Aquarium and Reef
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	205, 3rd stage solid carbon block filter (replace every 12 month
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	310, 2nd stage CTA 10 US Membrane filter
1 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x	UU Clips Pair from Bracket to Membrane Filter
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
5 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x	KT-103, Optional Manual Membrane Flush Valve
2 x	752, DC Booster Pump w/ Transformer
1 x	WH1134 Whole House Restaurant Filter System Sediment Carbon Big
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	.AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
4 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x	.AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
2 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	Discontinued RO585
1 x	565, Digital Pressure Gauge Tester Monitor
1 x	KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x	WH-5, Whole House Water Treatment Sediment Filter System 10" Big
2 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	.K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x	.K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x	.K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x	.K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x	755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x	KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x	.K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
2 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x	Discontinued RD106
2 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	578, TDS Water Quality Meter tds-3
1 x	MK420, Maintenance kit for RO565
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x	HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x	706, Membrane Filter Casing Housing Assembly
1 x	KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x	CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x	HK120-P-TK for USA 110V / 60Hz
2 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x	3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	FRQ200, Flow Restrictor 200ML / min

View Cart	$9,689.89

1 x	Discontinued RO585ERP
4 x	201, 1st stage sediment filter (replace every 6-12 months)
2 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
3 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	Discontinued RO585NTF
3 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	WH-10, Whole House Water Treatment Carbon Filter System 10" Big
3 x	1st stage SF05 sediment filter (replace every 6-12 months)
4 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	WS-150M, Whole House Water Softener
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	DI210, Heavy-duty DI system for Aquarium and Reef
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	205, 3rd stage solid carbon block filter (replace every 12 month
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	310, 2nd stage CTA 10 US Membrane filter
1 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x	UU Clips Pair from Bracket to Membrane Filter
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
5 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x	KT-103, Optional Manual Membrane Flush Valve
2 x	752, DC Booster Pump w/ Transformer
1 x	WH1134 Whole House Restaurant Filter System Sediment Carbon Big
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	.AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
4 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x	.AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
2 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	Discontinued RO585
1 x	565, Digital Pressure Gauge Tester Monitor
1 x	KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x	WH-5, Whole House Water Treatment Sediment Filter System 10" Big
2 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	.K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x	.K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x	.K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x	.K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x	755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x	KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x	.K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
2 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x	Discontinued RD106
2 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	578, TDS Water Quality Meter tds-3
1 x	MK420, Maintenance kit for RO565
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x	HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x	706, Membrane Filter Casing Housing Assembly
1 x	KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x	CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x	HK120-P-TK for USA 110V / 60Hz
2 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x	3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	FRQ200, Flow Restrictor 200ML / min

View Cart	$9,689.89