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	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	Discontinued RD106
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	.AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x	Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
4 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
2 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	KT-103, Optional Manual Membrane Flush Valve
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x	.K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
2 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	Discontinued RO155C
1 x	ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x	DI210, Heavy-duty DI system for Aquarium and Reef
1 x	565, Digital Pressure Gauge Tester Monitor
1 x	KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x	PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x	.AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x	ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x	SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x	.SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x	HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x	CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x	752, DC Booster Pump w/ Transformer
1 x	ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x	KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x	WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x	578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x	SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x	Discontinued RO585A
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x	578, TDS Water Quality Meter tds-3
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	201, 1st stage sediment filter (replace every 6-12 months)

View Cart	$4,142.50

1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	Discontinued RD106
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	.AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x	Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
4 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
2 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	KT-103, Optional Manual Membrane Flush Valve
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x	.K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
2 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	Discontinued RO155C
1 x	ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x	DI210, Heavy-duty DI system for Aquarium and Reef
1 x	565, Digital Pressure Gauge Tester Monitor
1 x	KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x	PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x	.AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x	ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x	SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x	.SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x	HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x	CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x	752, DC Booster Pump w/ Transformer
1 x	ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x	KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x	WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x	578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x	SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x	Discontinued RO585A
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x	578, TDS Water Quality Meter tds-3
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	201, 1st stage sediment filter (replace every 6-12 months)

View Cart	$4,142.50