Log In Log In  |  Checkout   |  108 item(s)
3 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
3 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 213, 4th stage inline carbon filter (replace every 12 months)
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x 565, Digital Pressure Gauge Tester Monitor
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
2 x 3rd 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 OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x 723, Feed Water Adapter with Ball Valve
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
3 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x FRQ300, Flow Restrictor 300ML / min
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
2 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x PE Tubing Tube Cutter
2 x 741-14, Diverter Valve for Countertop Water Units
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 578, TDS Water Quality Meter tds-3
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x 205, 5th stage final carbon filter
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x FRQ850, Flow Restrictor 850ML / min
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x 752, DC Booster Pump w/ Transformer
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve

View Cart$3,105.39
Specials Log InCreate Account Checkout  Shopping Cart108 item(s)
3 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
3 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 213, 4th stage inline carbon filter (replace every 12 months)
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x 565, Digital Pressure Gauge Tester Monitor
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
2 x 3rd 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 OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x 723, Feed Water Adapter with Ball Valve
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
3 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x FRQ300, Flow Restrictor 300ML / min
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
2 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x PE Tubing Tube Cutter
2 x 741-14, Diverter Valve for Countertop Water Units
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 578, TDS Water Quality Meter tds-3
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x 205, 5th stage final carbon filter
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x FRQ850, Flow Restrictor 850ML / min
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x 752, DC Booster Pump w/ Transformer
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve

View Cart$3,105.39

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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