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	Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
2 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
4 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	225, 5th stage Inline Alkaline filter with clear case (annual)
2 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
3 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
4 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	213, 4th stage inline carbon filter (replace every 12 months)
1 x	4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x	NM-5102, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
4 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	WSACF-150T, Whole House Water Treatment ACF-150T
2 x	2nd stage C10 carbon block filter (replace every 6-12 months)
3 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	.AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x	.SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x	324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
3 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
3 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
2 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	204, 2nd stage GAC filter (replace every 6-12 months)
1 x	BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x	205, 2nd stage carbon block filter (replace every 12 months)
1 x	Discontinued RO155C
1 x	HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x	1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x	706, Membrane Filter Casing Housing Assembly
1 x	205, 5th stage final carbon filter
1 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
2 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	752, DC Booster Pump w/ Transformer
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
2 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x	385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x	214, Clear Inline Filter Cartridge Empty Case
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x	WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x	335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x	5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x	UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x	721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)

View Cart	$7,368.48

1 x	Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
2 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
4 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	225, 5th stage Inline Alkaline filter with clear case (annual)
2 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
3 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
4 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	213, 4th stage inline carbon filter (replace every 12 months)
1 x	4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x	NM-5102, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
4 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	WSACF-150T, Whole House Water Treatment ACF-150T
2 x	2nd stage C10 carbon block filter (replace every 6-12 months)
3 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	.AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x	.SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x	324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
3 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
3 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
2 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	204, 2nd stage GAC filter (replace every 6-12 months)
1 x	BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x	205, 2nd stage carbon block filter (replace every 12 months)
1 x	Discontinued RO155C
1 x	HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x	1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x	706, Membrane Filter Casing Housing Assembly
1 x	205, 5th stage final carbon filter
1 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
2 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	752, DC Booster Pump w/ Transformer
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
2 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x	385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x	214, Clear Inline Filter Cartridge Empty Case
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x	WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x	335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x	5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x	UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x	721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)

View Cart	$7,368.48