Log In Log In  |  Checkout   |  143 item(s)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
5 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
2 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
2 x Conversion Kit, Convert Aquarium to Drinking RO Water System
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
2 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x bulk201, Sediment Filter
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
2 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 719, Drain Saddle Clamp / Valve
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x 741-14, Diverter Valve for Countertop Water Units
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
2 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x bulksf05, Koolermax Sediment Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
2 x 204, 2nd stage GAC filter (replace every 6-12 months)
2 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x bulkic21, Koolermax Inline Carbon Filter
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 723, Feed Water Adapter with Ball Valve
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
View Cart$5,921.09
Home
Specials Log InCreate Account Checkout  Shopping Cart143 item(s)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
5 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
2 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
2 x Conversion Kit, Convert Aquarium to Drinking RO Water System
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
2 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x bulk201, Sediment Filter
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
2 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 719, Drain Saddle Clamp / Valve
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x 741-14, Diverter Valve for Countertop Water Units
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
2 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x bulksf05, Koolermax Sediment Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
2 x 204, 2nd stage GAC filter (replace every 6-12 months)
2 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x bulkic21, Koolermax Inline Carbon Filter
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 723, Feed Water Adapter with Ball Valve
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
View Cart$5,921.09

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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