Log In Log In  |  Checkout   |  40 item(s)
1 x 565, Digital Pressure Gauge Tester Monitor
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x *Discontinued* RO155C
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x *Discontinued* RO6ALK
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)

View Cart$2,369.44
Specials Log InCreate Account Checkout  Shopping Cart40 item(s)
1 x 565, Digital Pressure Gauge Tester Monitor
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x *Discontinued* RO155C
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x *Discontinued* RO6ALK
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)

View Cart$2,369.44

ABU, Bulkhead Union Connector [ABU]

$4.50

ABU, Bulkhead Union Connector



* 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
Home  |   Specials  |   Log In  |   Create Account  |   Checkout  |   Shopping Cart