Log In Log In  |  Checkout   |  90 item(s)
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 213, 4th stage inline carbon filter (replace every 12 months)
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 205, 5th stage final carbon filter
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
2 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
2 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
2 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 316, 2nd stage CTA 16 US Membrane filter
2 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 565, Digital Pressure Gauge Tester Monitor
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x UU Clips Pair from Bracket to Membrane Filter
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x KT-103, Optional Manual Membrane Flush Valve
2 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
2 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
2 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
3 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x 723, Feed Water Adapter with Ball Valve
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 752, DC Booster Pump w/ Transformer
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 578, TDS Water Quality Meter tds-3
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 719, Drain Saddle Clamp / Valve
1 x PE Tubing Tube Cutter
2 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x 205, 3rd stage solid carbon block filter
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO

View Cart$3,038.49
Specials Log InCreate Account Checkout  Shopping Cart90 item(s)
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 213, 4th stage inline carbon filter (replace every 12 months)
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 205, 5th stage final carbon filter
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
2 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
2 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
2 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 316, 2nd stage CTA 16 US Membrane filter
2 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 565, Digital Pressure Gauge Tester Monitor
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x UU Clips Pair from Bracket to Membrane Filter
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x KT-103, Optional Manual Membrane Flush Valve
2 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
2 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
2 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
3 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x 723, Feed Water Adapter with Ball Valve
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 752, DC Booster Pump w/ Transformer
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 578, TDS Water Quality Meter tds-3
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 719, Drain Saddle Clamp / Valve
1 x PE Tubing Tube Cutter
2 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x 205, 3rd stage solid carbon block filter
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO

View Cart$3,038.49

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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