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	WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
2 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	.K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x	KT-103, Optional Manual Membrane Flush Valve
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	.K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
2 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x	290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x	TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x	WS-150M, Whole House Water Softener
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
2 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	MK8002, Maintenance kit for double membrane system RD322 RO260
1 x	.AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
2 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	Discontinued RD106
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x	.AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
2 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x	Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x	385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x	Discontinued RO585NTF
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x	WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x	bulksf05, Koolermax Sediment Filter
1 x	UU Clips Pair Membrane to Membrane, 2.5" to 2.5"

View Cart	$5,794.97

1 x	WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
2 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	.K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x	KT-103, Optional Manual Membrane Flush Valve
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	.K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
2 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x	290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x	TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x	WS-150M, Whole House Water Softener
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
2 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	MK8002, Maintenance kit for double membrane system RD322 RO260
1 x	.AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
2 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	Discontinued RD106
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x	.AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
2 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x	Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x	385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x	Discontinued RO585NTF
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x	WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x	bulksf05, Koolermax Sediment Filter
1 x	UU Clips Pair Membrane to Membrane, 2.5" to 2.5"

View Cart	$5,794.97