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	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	DB40, DI Resin Refill Bag for DI210, RD322
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x	FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
2 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	HK120-P-TK for USA 110V / 60Hz
1 x	SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x	759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
2 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	720, Feed Water Adapter with Needle Valve
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x	KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
3 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	205, 5th stage final carbon filter
1 x	565, Digital Pressure Gauge Tester Monitor
1 x	bulkic21, Koolermax Inline Carbon Filter
1 x	.AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x	2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x	3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
2 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x	KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x	bulksf05, Koolermax Sediment Filter
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	213, 4th stage inline carbon filter (replace every 12 months)
2 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	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	.K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
1 x	799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO

View Cart	$3,917.15

1 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	DB40, DI Resin Refill Bag for DI210, RD322
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x	FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
2 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	HK120-P-TK for USA 110V / 60Hz
1 x	SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x	759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
2 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	720, Feed Water Adapter with Needle Valve
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x	KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
3 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	205, 5th stage final carbon filter
1 x	565, Digital Pressure Gauge Tester Monitor
1 x	bulkic21, Koolermax Inline Carbon Filter
1 x	.AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x	2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x	3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
2 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x	KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x	bulksf05, Koolermax Sediment Filter
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	213, 4th stage inline carbon filter (replace every 12 months)
2 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	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	.K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
1 x	799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO

View Cart	$3,917.15