Log In Log In  |  Checkout   |  199 item(s)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x WSACF-150T, Whole House Water Treatment ACF-150T
3 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x 214, Clear Inline Filter Cartridge Empty Case
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
2 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
7 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
4 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
5 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
5 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
2 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
3 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
4 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
3 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x WS-150M, Whole House Water Softener
1 x EMT-10, Empty Filter Cartridge Casing Housing
3 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
4 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
8 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 752, DC Booster Pump w/ Transformer
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
2 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
3 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
2 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
2 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
2 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
2 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x SC209, Specialty Filter Nitrate Removal Filter
3 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
2 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x Special Filter Kit Koolermax dealer distribution kit
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x 723, Feed Water Adapter with Ball Valve
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 706, Membrane Filter Casing Housing Assembly
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
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 FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 316, 2nd stage CTA 16 US Membrane filter
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x UU Clips Pair from Bracket to Membrane Filter
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 578, TDS Water Quality Meter tds-3
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for

View Cart$12,420.08
Specials Log InCreate Account Checkout  Shopping Cart199 item(s)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x WSACF-150T, Whole House Water Treatment ACF-150T
3 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x 214, Clear Inline Filter Cartridge Empty Case
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
2 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
7 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
4 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
5 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
5 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
2 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
3 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
4 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
3 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x WS-150M, Whole House Water Softener
1 x EMT-10, Empty Filter Cartridge Casing Housing
3 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
4 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
8 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 752, DC Booster Pump w/ Transformer
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
2 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
3 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
2 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
2 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
2 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
2 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x SC209, Specialty Filter Nitrate Removal Filter
3 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
2 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x Special Filter Kit Koolermax dealer distribution kit
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x 723, Feed Water Adapter with Ball Valve
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 706, Membrane Filter Casing Housing Assembly
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
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 FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 316, 2nd stage CTA 16 US Membrane filter
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x UU Clips Pair from Bracket to Membrane Filter
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 578, TDS Water Quality Meter tds-3
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for

View Cart$12,420.08

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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