Log In Log In  |  Checkout   |  35 item(s)
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
2 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
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 PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x 723, Feed Water Adapter with Ball Valve
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 565, Digital Pressure Gauge Tester Monitor
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 720, Feed Water Adapter with Needle Valve
1 x KT-103, Optional Manual Membrane Flush Valve

View Cart$1,082.90
Specials Log InCreate Account Checkout  Shopping Cart35 item(s)
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
2 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
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 PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x 723, Feed Water Adapter with Ball Valve
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 565, Digital Pressure Gauge Tester Monitor
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 720, Feed Water Adapter with Needle Valve
1 x KT-103, Optional Manual Membrane Flush Valve

View Cart$1,082.90

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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