Log In Log In  |  Checkout   |  133 item(s)
2 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
2 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
3 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 205, 5th stage final carbon filter
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x 719, Drain Saddle Clamp / Valve
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x Special Filter Kit Koolermax dealer distribution kit
2 x 741-14, Diverter Valve for Countertop Water Units
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x 752, DC Booster Pump w/ Transformer
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
2 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 316, 2nd stage CTA 16 US Membrane filter
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x UU Clips Pair from Bracket to Membrane Filter
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 578, TDS Water Quality Meter tds-3
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
2 x KT-103, Optional Manual Membrane Flush Valve
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x *Discontinued* RO585
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x PE Tubing Tube Cutter
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x *Discontinued* RO585ERP
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT

View Cart$9,187.14
Specials Log InCreate Account Checkout  Shopping Cart133 item(s)
2 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
2 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
3 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 205, 5th stage final carbon filter
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x 719, Drain Saddle Clamp / Valve
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x Special Filter Kit Koolermax dealer distribution kit
2 x 741-14, Diverter Valve for Countertop Water Units
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x 752, DC Booster Pump w/ Transformer
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
2 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 316, 2nd stage CTA 16 US Membrane filter
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x UU Clips Pair from Bracket to Membrane Filter
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 578, TDS Water Quality Meter tds-3
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
2 x KT-103, Optional Manual Membrane Flush Valve
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x *Discontinued* RO585
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x PE Tubing Tube Cutter
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x *Discontinued* RO585ERP
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT

View Cart$9,187.14

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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