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	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
4 x	201, 1st stage sediment filter (replace every 6-12 months)
2 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x	.K5NTF KoolerMax K5 RO System Shell without tank and faucet
2 x	752, DC Booster Pump w/ Transformer
2 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	316, 2nd stage CTA 16 US Membrane filter
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	Conversion Kit, Convert Aquarium to Drinking RO Water System
2 x	2nd stage C10 carbon block filter (replace every 6-12 months)
2 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	NM-5104, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x	565, Digital Pressure Gauge Tester Monitor
1 x	719, Drain Saddle Clamp / Valve
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
2 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x	204, 2nd stage GAC filter (replace every 6-12 months)
2 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	.K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x	DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x	WH-10, Whole House Water Treatment Carbon Filter System 10" Big
2 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x	KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
2 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x	706, Membrane Filter Casing Housing Assembly
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x	FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x	225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x	5th Stage pn215 Refillable inline DI filter (color change)
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x	KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x	SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	FRQ420, Flow Restrictor 420ML / min
3 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x	NM-5102, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	PH80, Digital pH Meter Hydrotester Calibration Storage Solutions

View Cart	$3,948.43

3 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
4 x	201, 1st stage sediment filter (replace every 6-12 months)
2 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x	.K5NTF KoolerMax K5 RO System Shell without tank and faucet
2 x	752, DC Booster Pump w/ Transformer
2 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	316, 2nd stage CTA 16 US Membrane filter
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	Conversion Kit, Convert Aquarium to Drinking RO Water System
2 x	2nd stage C10 carbon block filter (replace every 6-12 months)
2 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	NM-5104, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x	565, Digital Pressure Gauge Tester Monitor
1 x	719, Drain Saddle Clamp / Valve
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
2 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x	204, 2nd stage GAC filter (replace every 6-12 months)
2 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	.K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x	DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x	WH-10, Whole House Water Treatment Carbon Filter System 10" Big
2 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x	KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
2 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x	706, Membrane Filter Casing Housing Assembly
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x	FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x	225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x	5th Stage pn215 Refillable inline DI filter (color change)
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x	KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x	SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	FRQ420, Flow Restrictor 420ML / min
3 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x	NM-5102, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	PH80, Digital pH Meter Hydrotester Calibration Storage Solutions

View Cart	$3,948.43