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	MKP, Maintenance kit for K5150P K6150P AR150P
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
4 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	Discontinued RO155C
4 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
3 x	752, DC Booster Pump w/ Transformer
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	578, TDS Water Quality Meter tds-3
1 x	PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
3 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x	PE Tubing Tube Cutter
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	205, 2nd stage carbon block filter (replace every 12 months)
4 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
2 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
3 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
3 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x	ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
2 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
2 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	DB40, DI Resin Refill Bag for DI210, RD322
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x	UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x	FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x	UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x	HK120-P-TK for USA 110V / 60Hz
1 x	TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x	WS-150M, Whole House Water Softener
2 x	706, Membrane Filter Casing Housing Assembly
1 x	WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x	UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x	201, 1st stage sediment filter (replace every 6-12 months)

View Cart	$6,618.93

1 x	MKP, Maintenance kit for K5150P K6150P AR150P
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
4 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	Discontinued RO155C
4 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
3 x	752, DC Booster Pump w/ Transformer
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	578, TDS Water Quality Meter tds-3
1 x	PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
3 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x	PE Tubing Tube Cutter
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	205, 2nd stage carbon block filter (replace every 12 months)
4 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
2 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
3 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
3 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x	ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
2 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
2 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	DB40, DI Resin Refill Bag for DI210, RD322
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x	UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x	FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x	UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x	HK120-P-TK for USA 110V / 60Hz
1 x	TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x	WS-150M, Whole House Water Softener
2 x	706, Membrane Filter Casing Housing Assembly
1 x	WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x	UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x	201, 1st stage sediment filter (replace every 6-12 months)

View Cart	$6,618.93