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	KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x	SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
2 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
3 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x	FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
2 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x	721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x	.AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	FRQ200, Flow Restrictor 200ML / min
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	719, Drain Saddle Clamp / Valve
1 x	RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x	bulk201, Sediment Filter
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
1 x	741-38, Diverter Valve for RO DI Water Systems
1 x	718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
3 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	706, Membrane Filter Casing Housing Assembly
1 x	741-14, Diverter Valve for Countertop Water Units
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x	SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x	565, Digital Pressure Gauge Tester Monitor
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x	.AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x	bulk213, Inline Carbon Filter
1 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x	723, Feed Water Adapter with Ball Valve
1 x	578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x	KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	913, 5th stage inline carbon filter (every 12 months)
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	578, TDS Water Quality Meter tds-3
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x	727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x	SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x	HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"

View Cart	$2,857.42

1 x	KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x	SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
2 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
3 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x	FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
2 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x	721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x	.AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	FRQ200, Flow Restrictor 200ML / min
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	719, Drain Saddle Clamp / Valve
1 x	RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x	bulk201, Sediment Filter
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
1 x	741-38, Diverter Valve for RO DI Water Systems
1 x	718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
3 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	706, Membrane Filter Casing Housing Assembly
1 x	741-14, Diverter Valve for Countertop Water Units
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x	SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x	565, Digital Pressure Gauge Tester Monitor
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x	.AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x	bulk213, Inline Carbon Filter
1 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x	723, Feed Water Adapter with Ball Valve
1 x	578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x	KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	913, 5th stage inline carbon filter (every 12 months)
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	578, TDS Water Quality Meter tds-3
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x	727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x	SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x	HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"

View Cart	$2,857.42