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

2 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	205, 3rd stage solid carbon block filter (replace every 12 month
1 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	204, 2nd stage GAC filter (replace every 6-12 months)
3 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	720, Feed Water Adapter with Needle Valve
2 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
2 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	5th Stage pn215 Refillable inline DI filter (color change)
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	.AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x	.K6NTF KoolerMax K6ALK RO shell without tank and faucet
2 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x	335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x	N-14-1M, Nipple Fitting connector between standard RO housing
2 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x	335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x	KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x	326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
3 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	.AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x	.SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x	741-14, Diverter Valve for Countertop Water Units
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134

View Cart	$2,778.93

2 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	205, 3rd stage solid carbon block filter (replace every 12 month
1 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	204, 2nd stage GAC filter (replace every 6-12 months)
3 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	720, Feed Water Adapter with Needle Valve
2 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
2 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	5th Stage pn215 Refillable inline DI filter (color change)
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	.AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x	.K6NTF KoolerMax K6ALK RO shell without tank and faucet
2 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x	335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x	N-14-1M, Nipple Fitting connector between standard RO housing
2 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x	335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x	KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x	326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
3 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	.AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x	.SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x	741-14, Diverter Valve for Countertop Water Units
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134

View Cart	$2,778.93