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1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x Special Filter Kit Koolermax dealer distribution kit
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x FRQ300, Flow Restrictor 300ML / min
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x bulk818, DI resin refill bags Di-Ionization media
1 x 719, Drain Saddle Clamp / Valve
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x FRQ420, Flow Restrictor 420ML / min
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 741-14, Diverter Valve for Countertop Water Units
1 x bulkic21, Koolermax Inline Carbon Filter
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal

View Cart$2,296.45
Specials Log InCreate Account Checkout  Shopping Cart47 item(s)
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x Special Filter Kit Koolermax dealer distribution kit
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x FRQ300, Flow Restrictor 300ML / min
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x bulk818, DI resin refill bags Di-Ionization media
1 x 719, Drain Saddle Clamp / Valve
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x FRQ420, Flow Restrictor 420ML / min
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 741-14, Diverter Valve for Countertop Water Units
1 x bulkic21, Koolermax Inline Carbon Filter
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal

View Cart$2,296.45

AHUC, Inline Ball Hand Valve Union Connector OD Tubing [AHUC]

$5.00

AHUC, Inline Ball Hand Valve Union Connector OD Tubing



* AHUC, Inline Ball Valve or Hand Valve Union Connector

* Position "Close" to force the water to flow to long reach faucet directly

* Position "Open" to allow the water flow in/out the water tank

* Please choose size from the selection box below. Both numbers are tubing 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 1/4" Tube OD AHUC0404
* 3/8" Tube OD x 3/8" Tube OD AHUC0606
* 1/2" Tube OD x 1/2" Tube OD AHUC0707


* 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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