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

5 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x	205 2nd stage solid carbon block filter (replace every 12 month)
3 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x	FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x	KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
4 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
2 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	Panel 1" Digiflow 6710M-88TM Digital Flow Meter count up GPM 115
1 x	Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
3 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x	MK420, Maintenance kit for RO565
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x	DB40, DI Resin Refill Bag for DI210, RD322
2 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x	AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x	Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
2 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
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 RD102
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x	FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x	DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
2 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x	310, 2nd stage CTA 10 US Membrane filter
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	214, Clear Inline Filter Cartridge Empty Case
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x	2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	N-14-1M, Nipple Fitting connector between standard RO housing
1 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin

View Cart	$2,690.45

5 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x	205 2nd stage solid carbon block filter (replace every 12 month)
3 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x	FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x	KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
4 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
2 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	Panel 1" Digiflow 6710M-88TM Digital Flow Meter count up GPM 115
1 x	Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
3 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x	MK420, Maintenance kit for RO565
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x	DB40, DI Resin Refill Bag for DI210, RD322
2 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x	AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x	Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
2 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
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 RD102
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x	FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x	DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
2 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x	310, 2nd stage CTA 10 US Membrane filter
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	214, Clear Inline Filter Cartridge Empty Case
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x	2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	N-14-1M, Nipple Fitting connector between standard RO housing
1 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin

View Cart	$2,690.45