Log In Log In  |  Checkout   |  193 item(s)
3 x 3rd stage C10 carbon block filter (replace every 6-12 months)
8 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
3 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
2 x MKP, Maintenance kit for K5150P K6150P AR150P
5 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
5 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
4 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
3 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
4 x 752, DC Booster Pump w/ Transformer
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
2 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
5 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
4 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
2 x 214, Clear Inline Filter Cartridge Empty Case
1 x *Discontinued* RD150
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x 723, Feed Water Adapter with Ball Valve
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
4 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 706, Membrane Filter Casing Housing Assembly
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x *Discontinued* RD106
2 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
2 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x FRQ850, Flow Restrictor 850ML / min
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x 719, Drain Saddle Clamp / Valve
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x FRQ420, Flow Restrictor 420ML / min
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
View Cart$7,972.48
Home
Specials Log InCreate Account Checkout  Shopping Cart193 item(s)
3 x 3rd stage C10 carbon block filter (replace every 6-12 months)
8 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
3 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
2 x MKP, Maintenance kit for K5150P K6150P AR150P
5 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
5 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
4 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
3 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
4 x 752, DC Booster Pump w/ Transformer
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
2 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
5 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
4 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
2 x 214, Clear Inline Filter Cartridge Empty Case
1 x *Discontinued* RD150
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x 723, Feed Water Adapter with Ball Valve
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
4 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 706, Membrane Filter Casing Housing Assembly
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x *Discontinued* RD106
2 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
2 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x FRQ850, Flow Restrictor 850ML / min
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x 719, Drain Saddle Clamp / Valve
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x FRQ420, Flow Restrictor 420ML / min
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
View Cart$7,972.48

AUC Union Connector OD Quick Connect QC Fitting [AUC]

$3.00

AUC Union Connector OD Quick Connect QC Fitting



* AUC, Union Connector, Quick Connect type

* Please choose size from the selection box below. Both numbers are tubing OD Outside Diameter (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" Tube OD AUC0404
* 3/8" Tube OD x 1/4" Tube OD AUC0604
* 3/8" Tube OD x 3/8" Tube OD AUC0606
* 1/2" Tube OD x 3/8" Tube OD AUC0706
* 1/2" Tube OD x 1/2" Tube OD AUC0707


* 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:

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