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	Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x	WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x	2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x	773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x	PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
2 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x	225, 5th stage Inline Alkaline filter with clear case (annual)
1 x	AQF-600-102, Flow Meter Panel Mount 3/8" MPT
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x	Discontinued RO585NTF
1 x	671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x	5th Stage pn215 Refillable inline DI filter (color change)
1 x	SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
1 x	Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x	FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x	727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x	Discontinued RO155
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	NM-5104, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	214, Clear Inline Filter Cartridge Empty Case
1 x	324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET

View Cart	$2,426.89

1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x	WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x	2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x	773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x	PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
2 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x	225, 5th stage Inline Alkaline filter with clear case (annual)
1 x	AQF-600-102, Flow Meter Panel Mount 3/8" MPT
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x	Discontinued RO585NTF
1 x	671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x	5th Stage pn215 Refillable inline DI filter (color change)
1 x	SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
1 x	Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x	FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x	727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x	Discontinued RO155
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	NM-5104, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	214, Clear Inline Filter Cartridge Empty Case
1 x	324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET

View Cart	$2,426.89