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	578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	Discontinued RD106
2 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	752, DC Booster Pump w/ Transformer
1 x	723, Feed Water Adapter with Ball Valve
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
2 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	205, 3rd stage solid carbon block filter (replace every 12 month
1 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x	.K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x	KT-103, Optional Manual Membrane Flush Valve
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	5th Stage pn215 Refillable inline DI filter (color change)
1 x	3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
1 x	.AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x	TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x	PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x	727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x	Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block

View Cart	$2,317.90

1 x	578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	Discontinued RD106
2 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	752, DC Booster Pump w/ Transformer
1 x	723, Feed Water Adapter with Ball Valve
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
2 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	205, 3rd stage solid carbon block filter (replace every 12 month
1 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x	.K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x	KT-103, Optional Manual Membrane Flush Valve
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	5th Stage pn215 Refillable inline DI filter (color change)
1 x	3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
1 x	.AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x	TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x	PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x	727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x	Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block

View Cart	$2,317.90