Log In Log In  |  Checkout   |  46 item(s)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x bulkc10, Koolermax Carbon Block Filter
1 x 723, Feed Water Adapter with Ball Valve
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x KT-103, Optional Manual Membrane Flush Valve
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal

View Cart$1,784.94
Specials Log InCreate Account Checkout  Shopping Cart46 item(s)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x bulkc10, Koolermax Carbon Block Filter
1 x 723, Feed Water Adapter with Ball Valve
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x KT-103, Optional Manual Membrane Flush Valve
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal

View Cart$1,784.94

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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