Log In Log In  |  Checkout   |  158 item(s)
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x 752, DC Booster Pump w/ Transformer
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 205, 5th stage final carbon filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x 205, 2nd stage carbon block filter (replace every 12 months)
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
3 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 565, Digital Pressure Gauge Tester Monitor
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
2 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 316, 2nd stage CTA 16 US Membrane filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
3 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 205, 3rd stage solid carbon block filter (replace every 12 month
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x AQF-600-102, Flow Meter Panel Mount 3/8" MPT
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x PE Tubing Tube Cutter
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x UU Clips Pair from Bracket to Membrane Filter
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
2 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
3 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x KT-103, Optional Manual Membrane Flush Valve
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 310, 2nd stage CTA 10 US Membrane filter
2 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 578, TDS Water Quality Meter tds-3
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
3 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x MK420, Maintenance kit for RO565
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x *Discontinued* RO585
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125

View Cart$5,736.85
Specials Log InCreate Account Checkout  Shopping Cart158 item(s)
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x 752, DC Booster Pump w/ Transformer
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 205, 5th stage final carbon filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x 205, 2nd stage carbon block filter (replace every 12 months)
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
3 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 565, Digital Pressure Gauge Tester Monitor
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
2 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 316, 2nd stage CTA 16 US Membrane filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
3 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 205, 3rd stage solid carbon block filter (replace every 12 month
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x AQF-600-102, Flow Meter Panel Mount 3/8" MPT
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x PE Tubing Tube Cutter
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x UU Clips Pair from Bracket to Membrane Filter
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
2 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
3 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x KT-103, Optional Manual Membrane Flush Valve
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 310, 2nd stage CTA 10 US Membrane filter
2 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 578, TDS Water Quality Meter tds-3
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
3 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x MK420, Maintenance kit for RO565
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x *Discontinued* RO585
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125

View Cart$5,736.85

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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