Log In Log In  |  Checkout   |  150 item(s)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
3 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x 752, DC Booster Pump w/ Transformer
3 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
3 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x KT-103, Optional Manual Membrane Flush Valve
3 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
3 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
2 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
3 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 741-14, Diverter Valve for Countertop Water Units
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
2 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x 706, Membrane Filter Casing Housing Assembly
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 213, 4th stage inline carbon filter (replace every 12 months)
2 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x EMT-10, Empty Filter Cartridge Casing Housing
3 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
2 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
2 x 719, Drain Saddle Clamp / Valve
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 205, 5th stage final carbon filter
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
2 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 723, Feed Water Adapter with Ball Valve
1 x FRQ420, Flow Restrictor 420ML / min
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
View Cart$3,952.98
Home
Specials Log InCreate Account Checkout  Shopping Cart150 item(s)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
3 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x 752, DC Booster Pump w/ Transformer
3 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
3 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x KT-103, Optional Manual Membrane Flush Valve
3 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
3 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
2 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
3 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 741-14, Diverter Valve for Countertop Water Units
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
2 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x 706, Membrane Filter Casing Housing Assembly
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 213, 4th stage inline carbon filter (replace every 12 months)
2 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x EMT-10, Empty Filter Cartridge Casing Housing
3 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
2 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
2 x 719, Drain Saddle Clamp / Valve
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 205, 5th stage final carbon filter
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
2 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 723, Feed Water Adapter with Ball Valve
1 x FRQ420, Flow Restrictor 420ML / min
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
View Cart$3,952.98

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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