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

3 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
6 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x	SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x	4th stage Optional Refill bag #818 DI Resin Refill Bag
4 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x	Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
2 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
3 x	1st stage SF05 sediment filter (replace every 6-12 months)
5 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x	3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x	Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x	310, 2nd stage CTA 10 US Membrane filter
2 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 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	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
6 x	Optional: 564 Membrane Filter Housing Wrench Opener
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5
2 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	NM-5104, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	225UP, 5th stage Inline Alkaline upgrade (includes media)
2 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	KM701C, 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	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x	Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
4 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
3 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x	3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x	385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x	316, 2nd stage CTA 16 US Membrane filter
1 x	FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	NM-5103, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x	326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
4 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	4th Stage Color Changing DI Filter SC207 for AR-104H
1 x	SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	NM-5102, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x	FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x	N-14-1M, Nipple Fitting connector between standard RO housing
1 x	NM-5001C, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x	2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x	Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
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	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker

View Cart	$4,944.78

3 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
6 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x	SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x	4th stage Optional Refill bag #818 DI Resin Refill Bag
4 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x	Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
2 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
3 x	1st stage SF05 sediment filter (replace every 6-12 months)
5 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x	3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x	Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x	310, 2nd stage CTA 10 US Membrane filter
2 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 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	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
6 x	Optional: 564 Membrane Filter Housing Wrench Opener
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5
2 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	NM-5104, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	225UP, 5th stage Inline Alkaline upgrade (includes media)
2 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	KM701C, 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	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x	Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
4 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
3 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x	3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x	385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x	316, 2nd stage CTA 16 US Membrane filter
1 x	FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	NM-5103, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x	326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
4 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	4th Stage Color Changing DI Filter SC207 for AR-104H
1 x	SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	NM-5102, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x	FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x	N-14-1M, Nipple Fitting connector between standard RO housing
1 x	NM-5001C, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x	2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x	Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
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	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker

View Cart	$4,944.78