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	KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x	324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x	bulk818, DI resin refill bags Di-Ionization media
2 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	N-14-1M, Nipple Fitting connector between standard RO housing
1 x	PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x	719, Drain Saddle Clamp / Valve
1 x	723, Feed Water Adapter with Ball Valve
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	5th Stage pn215 Refillable inline DI filter (color change)
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x	PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
3 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
3 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
1 x	MKP, Maintenance kit for K5150P K6150P AR150P
1 x	SC209, Specialty Filter Nitrate Removal Filter
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x	bulk213, Inline Carbon Filter
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x	KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x	709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
2 x	Parts, Ro Water System Installation Parts Bag 1/4"
2 x	201, 1st stage sediment filter (replace every 6-12 months)
2 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
1 x	Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	709, Automatic Shut Off Valve 4-way Four Way Valve
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x	741-38, Diverter Valve for RO DI Water Systems
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type

View Cart	$4,409.40

1 x	KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x	324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x	bulk818, DI resin refill bags Di-Ionization media
2 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	N-14-1M, Nipple Fitting connector between standard RO housing
1 x	PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x	719, Drain Saddle Clamp / Valve
1 x	723, Feed Water Adapter with Ball Valve
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	5th Stage pn215 Refillable inline DI filter (color change)
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x	PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
3 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
3 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
1 x	MKP, Maintenance kit for K5150P K6150P AR150P
1 x	SC209, Specialty Filter Nitrate Removal Filter
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x	bulk213, Inline Carbon Filter
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x	KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x	709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
2 x	Parts, Ro Water System Installation Parts Bag 1/4"
2 x	201, 1st stage sediment filter (replace every 6-12 months)
2 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
1 x	Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	709, Automatic Shut Off Valve 4-way Four Way Valve
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x	741-38, Diverter Valve for RO DI Water Systems
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type

View Cart	$4,409.40