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

4 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
4 x	205 2nd stage solid carbon block filter (replace every 12 month)
3 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
4 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
3 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	HK120-P-TK-220V for EURO 220V / 50Hz
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	706, Membrane Filter Casing Housing Assembly
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	N-14-1M, Nipple Fitting connector between standard RO housing
1 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x	3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	Discontinued RO155
1 x	FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x	1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
2 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
2 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	913, 5th stage inline carbon filter (every 12 months)
1 x	HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x	IM60, Ice Maker or RV Water Filter, Inline Typle
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
3 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x	Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
2 x	SW SHELL, Countertop SW1 Empty System Only No Filter
2 x	214, Clear Inline Filter Cartridge Empty Case
2 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
2 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x	Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x	MKP, Maintenance kit for K5150P K6150P AR150P
1 x	FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	Panel 1" Digiflow 6710M-88TM Digital Flow Meter count up GPM 115
2 x	Parts, Ro Water System Installation Parts Bag 1/4"
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x	DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
2 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x	SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
3 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x	Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x	3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x	732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x	FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x	FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
2 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	.AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x	324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x	578, TDS Water Quality Meter tds-3
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x	MK8002, Maintenance kit for double membrane system RD322 RO260
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x	752, DC Booster Pump w/ Transformer
1 x	Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x	HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x	1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter

View Cart	$7,532.04

4 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
4 x	205 2nd stage solid carbon block filter (replace every 12 month)
3 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
4 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
3 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	HK120-P-TK-220V for EURO 220V / 50Hz
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	706, Membrane Filter Casing Housing Assembly
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	N-14-1M, Nipple Fitting connector between standard RO housing
1 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x	3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	Discontinued RO155
1 x	FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x	1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
2 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
2 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	913, 5th stage inline carbon filter (every 12 months)
1 x	HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x	IM60, Ice Maker or RV Water Filter, Inline Typle
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
3 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x	Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
2 x	SW SHELL, Countertop SW1 Empty System Only No Filter
2 x	214, Clear Inline Filter Cartridge Empty Case
2 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
2 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x	Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x	MKP, Maintenance kit for K5150P K6150P AR150P
1 x	FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	Panel 1" Digiflow 6710M-88TM Digital Flow Meter count up GPM 115
2 x	Parts, Ro Water System Installation Parts Bag 1/4"
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x	DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
2 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x	SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
3 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x	Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x	3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x	732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x	FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x	FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
2 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	.AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x	324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x	578, TDS Water Quality Meter tds-3
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x	MK8002, Maintenance kit for double membrane system RD322 RO260
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x	752, DC Booster Pump w/ Transformer
1 x	Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x	HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x	1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter

View Cart	$7,532.04