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

3 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
4 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	NM-5103, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
2 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x	Discontinued RO155
2 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x	SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
2 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
2 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	752, DC Booster Pump w/ Transformer
1 x	5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	709, Automatic Shut Off Valve 4-way Four Way Valve
1 x	225, 5th stage Inline Alkaline filter with clear case (annual)
1 x	BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x	KT-103, Optional Manual Membrane Flush Valve
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
1 x	204, 2nd stage GAC filter (replace every 6-12 months)
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x	SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x	PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x	HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	913, 5th stage inline carbon filter (every 12 months)
1 x	719, Drain Saddle Clamp / Valve

View Cart	$3,066.17

3 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
4 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	NM-5103, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
2 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x	Discontinued RO155
2 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x	SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
2 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
2 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	752, DC Booster Pump w/ Transformer
1 x	5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	709, Automatic Shut Off Valve 4-way Four Way Valve
1 x	225, 5th stage Inline Alkaline filter with clear case (annual)
1 x	BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x	KT-103, Optional Manual Membrane Flush Valve
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
1 x	204, 2nd stage GAC filter (replace every 6-12 months)
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x	SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x	PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x	HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	913, 5th stage inline carbon filter (every 12 months)
1 x	719, Drain Saddle Clamp / Valve

View Cart	$3,066.17