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	290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
2 x	799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x	MK8002, Maintenance kit for double membrane system RD322 RO260
3 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
3 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x	Optional: 564 Membrane Filter Housing Wrench Opener
3 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	706, Membrane Filter Casing Housing Assembly
1 x	752, DC Booster Pump w/ Transformer
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
3 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	bulk201, Sediment Filter
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	WSACF-150T, Whole House Water Treatment ACF-150T
1 x	SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x	755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
2 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x	SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x	205, 5th stage final carbon filter
2 x	SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x	UU Clips Pair from Bracket to Membrane Filter
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	WS-150M, Whole House Water Softener
1 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	MKP, Maintenance kit for K5150P K6150P AR150P
1 x	NM-5104, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x	bulk818, DI resin refill bags Di-Ionization media
1 x	NM-5103, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
2 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)
2 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
2 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x	Discontinued RO155
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	214, Clear Inline Filter Cartridge Empty Case
1 x	Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
2 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	bulksf05, Koolermax Sediment Filter
1 x	3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x	ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x	4th Stage Color Changing DI Filter SC207 for AR-104H

View Cart	$9,952.38

1 x	290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
2 x	799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x	MK8002, Maintenance kit for double membrane system RD322 RO260
3 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
3 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x	Optional: 564 Membrane Filter Housing Wrench Opener
3 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	706, Membrane Filter Casing Housing Assembly
1 x	752, DC Booster Pump w/ Transformer
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
3 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	bulk201, Sediment Filter
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	WSACF-150T, Whole House Water Treatment ACF-150T
1 x	SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x	755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
2 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x	SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x	205, 5th stage final carbon filter
2 x	SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x	UU Clips Pair from Bracket to Membrane Filter
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	WS-150M, Whole House Water Softener
1 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	MKP, Maintenance kit for K5150P K6150P AR150P
1 x	NM-5104, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x	bulk818, DI resin refill bags Di-Ionization media
1 x	NM-5103, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
2 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)
2 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
2 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x	Discontinued RO155
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	214, Clear Inline Filter Cartridge Empty Case
1 x	Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
2 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	bulksf05, Koolermax Sediment Filter
1 x	3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x	ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x	4th Stage Color Changing DI Filter SC207 for AR-104H

View Cart	$9,952.38