Log In Log In  |  Checkout   |  66 item(s)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x bulk205, Carbon Block Filter
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
2 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x bulksf05, Koolermax Sediment Filter
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x bulkic21, Koolermax Inline Carbon Filter
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 706, Membrane Filter Casing Housing Assembly
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 752, DC Booster Pump w/ Transformer
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x Panel 1" Digiflow 6710M-88TM Digital Flow Meter count up GPM 115
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch

View Cart$3,062.43
Specials Log InCreate Account Checkout  Shopping Cart66 item(s)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x bulk205, Carbon Block Filter
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
2 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x bulksf05, Koolermax Sediment Filter
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x bulkic21, Koolermax Inline Carbon Filter
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 706, Membrane Filter Casing Housing Assembly
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 752, DC Booster Pump w/ Transformer
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x Panel 1" Digiflow 6710M-88TM Digital Flow Meter count up GPM 115
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch

View Cart$3,062.43

ARD, Reducer Fitting Straight Tube OD Stem OD [ARD]

$3.50

ARD, Reducer Fitting Straight Tube OD Stem OD



* ARD, Reducer Fitting Straight Tube OD Stem OD

* Please choose size from the selection box below. First number is tubing OD and second number is Stem 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 3/8" Stem OD ARD0406
* 3/8" Tube OD x 1/2" Stem OD ARD0607


* 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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