Log In Log In  |  Checkout   |  185 item(s)
3 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
2 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 316, 2nd stage CTA 16 US Membrane filter (every 2-3 yrs)
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
2 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x bulk818, DI resin refill bags Di-Ionization media
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
5 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
4 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
3 x 3rd stage C10 carbon block filter (replace every 6-12 months)
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
4 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
4 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 205, 2nd stage carbon block filter (replace every 12 months)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x AQF-600-102, Flow Meter Panel Mount 3/8" MPT
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x WT-bac, Water Testing Kit, Bacteria Test
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
2 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
2 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
3 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x Panel 1" Digiflow 6710M-88TM Digital Flow Meter count up GPM 115
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
2 x bulkc10, Koolermax Carbon Block Filter
2 x bulk201, Sediment Filter
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
3 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
1 x 213, 4th stage inline carbon filter (replace every 12 months)
2 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
2 x bulk205, Carbon Block Filter
1 x 752, DC Booster Pump w/ Transformer
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
2 x bulk213, Inline Carbon Filter
1 x bulksf05, Koolermax Sediment Filter
2 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA

View Cart$10,393.64
Specials Log InCreate Account Checkout  Shopping Cart185 item(s)
3 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
2 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 316, 2nd stage CTA 16 US Membrane filter (every 2-3 yrs)
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
2 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x bulk818, DI resin refill bags Di-Ionization media
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
5 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
4 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
3 x 3rd stage C10 carbon block filter (replace every 6-12 months)
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
4 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
4 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 205, 2nd stage carbon block filter (replace every 12 months)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x AQF-600-102, Flow Meter Panel Mount 3/8" MPT
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x WT-bac, Water Testing Kit, Bacteria Test
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
2 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
2 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
3 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x Panel 1" Digiflow 6710M-88TM Digital Flow Meter count up GPM 115
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
2 x bulkc10, Koolermax Carbon Block Filter
2 x bulk201, Sediment Filter
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
3 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
1 x 213, 4th stage inline carbon filter (replace every 12 months)
2 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
2 x bulk205, Carbon Block Filter
1 x 752, DC Booster Pump w/ Transformer
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
2 x bulk213, Inline Carbon Filter
1 x bulksf05, Koolermax Sediment Filter
2 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA

View Cart$10,393.64

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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