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	Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
3 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	201, 1st stage sediment filter (replace every 6-12 months)
2 x	PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
3 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	UU Clips Pair from Bracket to Membrane Filter
1 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	NM-5001C, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	719, Drain Saddle Clamp / Valve
1 x	UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
3 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
7 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
3 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
3 x	752, DC Booster Pump w/ Transformer
1 x	4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x	SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	DB40, DI Resin Refill Bag for DI210, RD322
1 x	PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x	SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x	1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
2 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	KT-103, Optional Manual Membrane Flush Valve
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
2 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
2 x	FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x	DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x	FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
2 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
2 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x	706, Membrane Filter Casing Housing Assembly
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
2 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	565, Digital Pressure Gauge Tester Monitor
1 x	Discontinued RD150
1 x	KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x	ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x	MK420, Maintenance kit for RO565
1 x	213, 4th stage inline carbon filter (replace every 12 months)
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x	WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x	225, 5th stage Inline Alkaline filter with clear case (annual)
1 x	205, 5th stage final carbon filter

View Cart	$3,460.74

1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
3 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	201, 1st stage sediment filter (replace every 6-12 months)
2 x	PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
3 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	UU Clips Pair from Bracket to Membrane Filter
1 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	NM-5001C, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	719, Drain Saddle Clamp / Valve
1 x	UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
3 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
7 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
3 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
3 x	752, DC Booster Pump w/ Transformer
1 x	4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x	SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	DB40, DI Resin Refill Bag for DI210, RD322
1 x	PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x	SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x	1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
2 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	KT-103, Optional Manual Membrane Flush Valve
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
2 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
2 x	FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x	DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x	FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
2 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
2 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x	706, Membrane Filter Casing Housing Assembly
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
2 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	565, Digital Pressure Gauge Tester Monitor
1 x	Discontinued RD150
1 x	KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x	ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x	MK420, Maintenance kit for RO565
1 x	213, 4th stage inline carbon filter (replace every 12 months)
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x	WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x	225, 5th stage Inline Alkaline filter with clear case (annual)
1 x	205, 5th stage final carbon filter

View Cart	$3,460.74