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	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
3 x	1st stage SF05 sediment filter (replace every 6-12 months)
2 x	3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x	SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x	FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
2 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x	SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x	DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x	225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	WT-bac, Water Testing Kit, Bacteria Test
1 x	2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x	AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x	Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x	5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x	SC412, Water Softening Filter Calcium Magnesium Hardness Removal

View Cart	$1,943.12

1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
3 x	1st stage SF05 sediment filter (replace every 6-12 months)
2 x	3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x	SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x	FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
2 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x	SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x	DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x	225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	WT-bac, Water Testing Kit, Bacteria Test
1 x	2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x	AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x	Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x	5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x	SC412, Water Softening Filter Calcium Magnesium Hardness Removal

View Cart	$1,943.12