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

2 x	225UP, 5th stage Inline Alkaline upgrade (includes media)
3 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
3 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
3 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
3 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x	2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
2 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
3 x	201, 1st stage sediment filter (replace every 6-12 months)
3 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x	202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
4 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x	HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
2 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	.K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x	.K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	bulk213, Inline Carbon Filter
2 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	.AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x	214, Clear Inline Filter Cartridge Empty Case
2 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
3 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x	Parts, Ro Water System Installation Parts Bag 1/4"
2 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	.RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
1 x	Discontinued RO6ALK
1 x	KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x	SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x	741-38, Diverter Valve for RO DI Water Systems
1 x	KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x	FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x	SC209, Specialty Filter Nitrate Removal Filter
1 x	AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	205, 2nd stage carbon block filter (replace every 12 months)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	709, Automatic Shut Off Valve 4-way Four Way Valve
1 x	.AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x	FRQ420, Flow Restrictor 420ML / min
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x	1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x	385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x	SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	N-14-1M, Nipple Fitting connector between standard RO housing
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P

View Cart	$5,436.37

2 x	225UP, 5th stage Inline Alkaline upgrade (includes media)
3 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
3 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
3 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
3 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x	2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
2 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
3 x	201, 1st stage sediment filter (replace every 6-12 months)
3 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x	202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
4 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x	HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
2 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	.K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x	.K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	bulk213, Inline Carbon Filter
2 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	.AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x	214, Clear Inline Filter Cartridge Empty Case
2 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
3 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x	Parts, Ro Water System Installation Parts Bag 1/4"
2 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	.RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
1 x	Discontinued RO6ALK
1 x	KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x	SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x	741-38, Diverter Valve for RO DI Water Systems
1 x	KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x	FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x	SC209, Specialty Filter Nitrate Removal Filter
1 x	AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	205, 2nd stage carbon block filter (replace every 12 months)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	709, Automatic Shut Off Valve 4-way Four Way Valve
1 x	.AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x	FRQ420, Flow Restrictor 420ML / min
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x	1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x	385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x	SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	N-14-1M, Nipple Fitting connector between standard RO housing
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P

View Cart	$5,436.37