Log In Log In  |  Checkout   |  148 item(s)
2 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
2 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
2 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 752, DC Booster Pump w/ Transformer
1 x *Discontinued* RO585A
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x 741-38, Diverter Valve for RO DI Water Systems
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 214, Clear Inline Filter Cartridge Empty Case
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x SC209, Specialty Filter Nitrate Removal Filter
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
2 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
3 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
2 x 719, Drain Saddle Clamp / Valve
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 723, Feed Water Adapter with Ball Valve
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x FRQ850, Flow Restrictor 850ML / min
1 x *Discontinued* RO585ERP
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
2 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
2 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 205, 5th stage final carbon filter
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x FRQ300, Flow Restrictor 300ML / min
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x KT-103, Optional Manual Membrane Flush Valve
2 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x EMT-10, Empty Filter Cartridge Casing Housing
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x *Discontinued* RO6ALK
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x FRQ420, Flow Restrictor 420ML / min
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
View Cart$6,431.48
Home
Specials Log InCreate Account Checkout  Shopping Cart148 item(s)
2 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
2 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
2 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 752, DC Booster Pump w/ Transformer
1 x *Discontinued* RO585A
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x 741-38, Diverter Valve for RO DI Water Systems
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 214, Clear Inline Filter Cartridge Empty Case
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x SC209, Specialty Filter Nitrate Removal Filter
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
2 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
3 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
2 x 719, Drain Saddle Clamp / Valve
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 723, Feed Water Adapter with Ball Valve
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x FRQ850, Flow Restrictor 850ML / min
1 x *Discontinued* RO585ERP
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
2 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
2 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 205, 5th stage final carbon filter
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x FRQ300, Flow Restrictor 300ML / min
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x KT-103, Optional Manual Membrane Flush Valve
2 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x EMT-10, Empty Filter Cartridge Casing Housing
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x *Discontinued* RO6ALK
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x FRQ420, Flow Restrictor 420ML / min
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
View Cart$6,431.48

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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