Log In Log In  |  Checkout   |  123 item(s)
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x bulkc10, Koolermax Carbon Block Filter
1 x 205, 5th stage final carbon filter
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x 741-14, Diverter Valve for Countertop Water Units
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x bulksf05, Koolermax Sediment Filter
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x AQF-600-102, Flow Meter Panel Mount 3/8" MPT
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
2 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x Special Filter Kit Koolermax dealer distribution kit
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x bulk201, Sediment Filter
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 578, TDS Water Quality Meter tds-3
1 x UU Clips Pair from Bracket to Membrane Filter
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x bulk205, Carbon Block Filter
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H

View Cart$6,462.00
Specials Log InCreate Account Checkout  Shopping Cart123 item(s)
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x bulkc10, Koolermax Carbon Block Filter
1 x 205, 5th stage final carbon filter
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x 741-14, Diverter Valve for Countertop Water Units
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x bulksf05, Koolermax Sediment Filter
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x AQF-600-102, Flow Meter Panel Mount 3/8" MPT
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
2 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x Special Filter Kit Koolermax dealer distribution kit
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x bulk201, Sediment Filter
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 578, TDS Water Quality Meter tds-3
1 x UU Clips Pair from Bracket to Membrane Filter
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x bulk205, Carbon Block Filter
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H

View Cart$6,462.00

ATU TEE Union Connector Quick Connect QC Fitting [ATU]

$3.50

ATU TEE Union Connector Quick Connect QC Fitting



* ATU TEE Union Connector, Quick Connect

* Please choose size from the selection box below. Both numbers are tubing OD Outside Diameter. First number is Tee double side and second number is the single side. (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 ATU0404
* 3/8" Tube OD x 1/4" Tube OD ATU0604
* 3/8" Tube OD x 3/8" Tube OD ATU0606
* 1/2" Tube OD x 3/8" Tube OD ATU0706
* 1/2" Tube OD x 1/2" Tube OD ATU0707


* 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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