Log In Log In  |  Checkout   |  157 item(s)
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 316, 2nd stage CTA 16 US Membrane filter
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
3 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
2 x CBV-38, Tank Ball Valve to 3/8 tubing
4 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 719, Drain Saddle Clamp / Valve
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
2 x 741-14, Diverter Valve for Countertop Water Units
2 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
2 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x *Discontinued* RD106
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x FRQ300, Flow Restrictor 300ML / min
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x *Discontinued* RO155C
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x *Discontinued* RD102
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FRQ420, Flow Restrictor 420ML / min
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
2 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 KT-103, Optional Manual Membrane Flush Valve
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 565, Digital Pressure Gauge Tester Monitor
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
View Cart$6,780.89
Home
Specials Log InCreate Account Checkout  Shopping Cart157 item(s)
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 316, 2nd stage CTA 16 US Membrane filter
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
3 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
2 x CBV-38, Tank Ball Valve to 3/8 tubing
4 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 719, Drain Saddle Clamp / Valve
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
2 x 741-14, Diverter Valve for Countertop Water Units
2 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
2 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x *Discontinued* RD106
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x FRQ300, Flow Restrictor 300ML / min
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x *Discontinued* RO155C
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x *Discontinued* RD102
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FRQ420, Flow Restrictor 420ML / min
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
2 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 KT-103, Optional Manual Membrane Flush Valve
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 565, Digital Pressure Gauge Tester Monitor
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
View Cart$6,780.89

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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