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	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x	SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x	Special Filter Kit Koolermax dealer distribution kit
1 x	TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	225, 5th stage Inline Alkaline filter with clear case (annual)
1 x	SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x	ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x	Conversion Kit, Convert Aquarium to Drinking RO Water System
2 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x	N-14-1M, Nipple Fitting connector between standard RO housing
1 x	CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x	4th Stage Color Changing DI Filter SC207 for AR-104H
1 x	706, Membrane Filter Casing Housing Assembly
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
2 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x	CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x	SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x	Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x	3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x	PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO

View Cart	$2,121.22

1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x	SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x	Special Filter Kit Koolermax dealer distribution kit
1 x	TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	225, 5th stage Inline Alkaline filter with clear case (annual)
1 x	SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x	ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x	Conversion Kit, Convert Aquarium to Drinking RO Water System
2 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x	N-14-1M, Nipple Fitting connector between standard RO housing
1 x	CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x	4th Stage Color Changing DI Filter SC207 for AR-104H
1 x	706, Membrane Filter Casing Housing Assembly
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
2 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x	CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x	SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x	Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x	3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x	PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO

View Cart	$2,121.22