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3 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 6th Stage pn215 Refillable inline DI filter (color change)
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x 565, Digital Pressure Gauge Tester Monitor
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
5 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 213, 4th stage inline carbon filter (replace every 12 months)
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 723, Feed Water Adapter with Ball Valve
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
2 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x MKP, Maintenance kit for K5150P K6150P AR150P
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
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 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 719, Drain Saddle Clamp / Valve
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 752, DC Booster Pump w/ Transformer
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
View Cart$2,643.64
Home
Specials Log InCreate Account Checkout  Shopping Cart100 item(s)
3 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 6th Stage pn215 Refillable inline DI filter (color change)
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x 565, Digital Pressure Gauge Tester Monitor
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
5 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 213, 4th stage inline carbon filter (replace every 12 months)
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 723, Feed Water Adapter with Ball Valve
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
2 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x MKP, Maintenance kit for K5150P K6150P AR150P
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
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 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 719, Drain Saddle Clamp / Valve
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 752, DC Booster Pump w/ Transformer
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
View Cart$2,643.64

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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