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

3 x	205 2nd stage solid carbon block filter (replace every 12 month)
3 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x	KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
3 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	225UP, 5th stage Inline Alkaline upgrade (includes media)
2 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
2 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	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x	PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x	4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
2 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x	755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
2 x	741-38, Diverter Valve for RO DI Water Systems
1 x	205, 2nd stage carbon block filter (replace every 12 months)
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	720, Feed Water Adapter with Needle Valve
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	214, Clear Inline Filter Cartridge Empty Case
1 x	PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x	FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x	1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
2 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	Special Filter Kit Koolermax dealer distribution kit
1 x	DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x	578, TDS Water Quality Meter tds-3
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x	SC209, Specialty Filter Nitrate Removal Filter
2 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x	MKP, Maintenance kit for K5150P K6150P AR150P
1 x	FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	MK8002, Maintenance kit for double membrane system RD322 RO260
1 x	FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x	WS-150M, Whole House Water Softener
1 x	578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x	PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
2 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x	1st stage SF05 sediment filter (replace every 6-12 months)

View Cart	$5,224.48

3 x	205 2nd stage solid carbon block filter (replace every 12 month)
3 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x	KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
3 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	225UP, 5th stage Inline Alkaline upgrade (includes media)
2 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
2 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	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x	PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x	4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
2 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x	755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
2 x	741-38, Diverter Valve for RO DI Water Systems
1 x	205, 2nd stage carbon block filter (replace every 12 months)
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	720, Feed Water Adapter with Needle Valve
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	214, Clear Inline Filter Cartridge Empty Case
1 x	PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x	FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x	1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
2 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	Special Filter Kit Koolermax dealer distribution kit
1 x	DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x	578, TDS Water Quality Meter tds-3
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x	SC209, Specialty Filter Nitrate Removal Filter
2 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x	MKP, Maintenance kit for K5150P K6150P AR150P
1 x	FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	MK8002, Maintenance kit for double membrane system RD322 RO260
1 x	FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x	WS-150M, Whole House Water Softener
1 x	578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x	PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
2 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x	1st stage SF05 sediment filter (replace every 6-12 months)

View Cart	$5,224.48