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	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	.AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x	720, Feed Water Adapter with Needle Valve
1 x	FRQ200, Flow Restrictor 200ML / min
1 x	Discontinued RO585ERP
4 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	.SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x	KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x	3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
2 x	KT-103, Optional Manual Membrane Flush Valve
1 x	AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x	FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x	KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
2 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	Discontinued RD106
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x	FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
3 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
2 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x	TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
2 x	SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x	913, 5th stage inline carbon filter (every 12 months)
1 x	NM-5102, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
2 x	719, Drain Saddle Clamp / Valve
1 x	718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x	752, DC Booster Pump w/ Transformer
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	Discontinued RO585NTF
1 x	721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x	.K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
2 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x	FRQ850, Flow Restrictor 850ML / min
1 x	PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x	365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x	717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x	FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x	TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x	KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)

View Cart	$4,038.43

1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	.AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x	720, Feed Water Adapter with Needle Valve
1 x	FRQ200, Flow Restrictor 200ML / min
1 x	Discontinued RO585ERP
4 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	.SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x	KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x	3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
2 x	KT-103, Optional Manual Membrane Flush Valve
1 x	AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x	FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x	KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
2 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	Discontinued RD106
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x	FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
3 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
2 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x	TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
2 x	SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x	913, 5th stage inline carbon filter (every 12 months)
1 x	NM-5102, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
2 x	719, Drain Saddle Clamp / Valve
1 x	718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x	752, DC Booster Pump w/ Transformer
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	Discontinued RO585NTF
1 x	721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x	.K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
2 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x	FRQ850, Flow Restrictor 850ML / min
1 x	PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x	365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x	717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x	FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x	TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x	KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)

View Cart	$4,038.43