Log In Log In  |  Checkout   |  27 item(s)
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 741-14, Diverter Valve for Countertop Water Units
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x 752, DC Booster Pump w/ Transformer
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x bulk205, Carbon Block Filter
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 720, Feed Water Adapter with Needle Valve
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 913, 5th stage inline carbon filter (every 12 months)

View Cart$1,732.95
Specials Log InCreate Account Checkout  Shopping Cart27 item(s)
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 741-14, Diverter Valve for Countertop Water Units
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x 752, DC Booster Pump w/ Transformer
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x bulk205, Carbon Block Filter
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 720, Feed Water Adapter with Needle Valve
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 913, 5th stage inline carbon filter (every 12 months)

View Cart$1,732.95

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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