Log In Log In  |  Checkout   |  30 item(s)
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x FRQ850, Flow Restrictor 850ML / min
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G

View Cart$630.50
Specials Log InCreate Account Checkout  Shopping Cart30 item(s)
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x FRQ850, Flow Restrictor 850ML / min
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G

View Cart$630.50

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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