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	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
2 x	MKP, Maintenance kit for K5150P K6150P AR150P
3 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	FRQ550, Flow Restrictor 500 to 600ML / min
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
2 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	723, Feed Water Adapter with Ball Valve
1 x	752, DC Booster Pump w/ Transformer
1 x	706, Membrane Filter Casing Housing Assembly
1 x	2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x	3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x	CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x	709, Automatic Shut Off Valve 4-way Four Way Valve
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)

View Cart	$1,166.44

1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
2 x	MKP, Maintenance kit for K5150P K6150P AR150P
3 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	FRQ550, Flow Restrictor 500 to 600ML / min
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
2 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	723, Feed Water Adapter with Ball Valve
1 x	752, DC Booster Pump w/ Transformer
1 x	706, Membrane Filter Casing Housing Assembly
1 x	2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x	3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x	CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x	709, Automatic Shut Off Valve 4-way Four Way Valve
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)

View Cart	$1,166.44