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	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
2 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x	SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x	FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x	Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x	UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
3 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	741-38, Diverter Valve for RO DI Water Systems
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x	PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x	DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
2 x	SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
2 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
2 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
2 x	214, Clear Inline Filter Cartridge Empty Case
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x	ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x	709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x	Discontinued RD102
1 x	MK8002, Maintenance kit for double membrane system RD322 RO260
1 x	PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x	.SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x	2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x	723, Feed Water Adapter with Ball Valve
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	205, 3rd stage solid carbon block filter (replace every 12 month
1 x	FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	.AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x	1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x	FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x	Discontinued RD106

View Cart	$2,976.62

1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
2 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x	SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x	FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x	Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x	UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
3 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	741-38, Diverter Valve for RO DI Water Systems
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x	PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x	DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
2 x	SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
2 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
2 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
2 x	214, Clear Inline Filter Cartridge Empty Case
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x	ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x	709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x	Discontinued RD102
1 x	MK8002, Maintenance kit for double membrane system RD322 RO260
1 x	PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x	.SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x	2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x	723, Feed Water Adapter with Ball Valve
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	205, 3rd stage solid carbon block filter (replace every 12 month
1 x	FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	.AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x	1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x	FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x	Discontinued RD106

View Cart	$2,976.62