Log In Log In  |  Checkout   |  63 item(s)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
2 x DB40, DI Resin Refill Bag for DI210, RD322
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 316, 2nd stage CTA 16 US Membrane filter
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x *Discontinued* RD106
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 741-14, Diverter Valve for Countertop Water Units
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x WS-150M, Whole House Water Softener
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x bulkic21, Koolermax Inline Carbon Filter
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)

View Cart$5,916.13
Specials Log InCreate Account Checkout  Shopping Cart63 item(s)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
2 x DB40, DI Resin Refill Bag for DI210, RD322
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 316, 2nd stage CTA 16 US Membrane filter
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x *Discontinued* RD106
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 741-14, Diverter Valve for Countertop Water Units
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x WS-150M, Whole House Water Softener
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x bulkic21, Koolermax Inline Carbon Filter
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)

View Cart$5,916.13

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:

Reviews
Home  |   Specials  |   Log In  |   Create Account  |   Checkout  |   Shopping Cart