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	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	.K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	bulk201, Sediment Filter
1 x	NM-5103, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	578, TDS Water Quality Meter tds-3
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
2 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	752, DC Booster Pump w/ Transformer
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x	SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x	PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	.K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	Special Filter Kit Koolermax dealer distribution kit
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	DB40, DI Resin Refill Bag for DI210, RD322
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x	ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	SC227, Specialty Filter Refillable Color Changing DI Filter 20"

View Cart	$2,423.44

1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	.K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	bulk201, Sediment Filter
1 x	NM-5103, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	578, TDS Water Quality Meter tds-3
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
2 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	752, DC Booster Pump w/ Transformer
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x	SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x	PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	.K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	Special Filter Kit Koolermax dealer distribution kit
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	DB40, DI Resin Refill Bag for DI210, RD322
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x	ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	SC227, Specialty Filter Refillable Color Changing DI Filter 20"

View Cart	$2,423.44