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	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
4 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
2 x	FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
2 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	201, 1st stage sediment filter (replace every 6-12 months)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x	HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
2 x	FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x	PE Tubing Tube Cutter
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	225, 5th stage Inline Alkaline filter with clear case (annual)
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x	578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x	SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
2 x	2nd stage C10 carbon block filter (replace every 6-12 months)
2 x	205, 3rd stage solid carbon block filter (replace every 12 month
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x	.SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
2 x	741-14, Diverter Valve for Countertop Water Units
2 x	578, TDS Water Quality Meter tds-3
1 x	FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	Discontinued RO155
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x	204, 2nd stage GAC filter (replace every 6-12 months)
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x	AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x	Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x	FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x	Discontinued RO155C
1 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x	326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x	DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	NM-5001C, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	UU Clips Pair from Bracket to Membrane Filter
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x	4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x	318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
2 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x	RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x	5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x	.SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x	IM60, Ice Maker or RV Water Filter, Inline Typle
1 x	316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)

View Cart	$4,290.25

1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
4 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
2 x	FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
2 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	201, 1st stage sediment filter (replace every 6-12 months)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x	HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
2 x	FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x	PE Tubing Tube Cutter
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	225, 5th stage Inline Alkaline filter with clear case (annual)
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x	578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x	SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
2 x	2nd stage C10 carbon block filter (replace every 6-12 months)
2 x	205, 3rd stage solid carbon block filter (replace every 12 month
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x	.SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
2 x	741-14, Diverter Valve for Countertop Water Units
2 x	578, TDS Water Quality Meter tds-3
1 x	FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	Discontinued RO155
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x	204, 2nd stage GAC filter (replace every 6-12 months)
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x	AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x	Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x	FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x	Discontinued RO155C
1 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x	326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x	DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	NM-5001C, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	UU Clips Pair from Bracket to Membrane Filter
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x	4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x	318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
2 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x	RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x	5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x	.SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x	IM60, Ice Maker or RV Water Filter, Inline Typle
1 x	316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)

View Cart	$4,290.25