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1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x *Discontinued* RD150
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
3 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 316, 2nd stage CTA 16 US Membrane filter
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
2 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 723, Feed Water Adapter with Ball Valve
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x *Discontinued* RD102
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
2 x 752, DC Booster Pump w/ Transformer
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT

View Cart$4,296.98
Specials Log InCreate Account Checkout  Shopping Cart81 item(s)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x *Discontinued* RD150
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
3 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 316, 2nd stage CTA 16 US Membrane filter
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
2 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 723, Feed Water Adapter with Ball Valve
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x *Discontinued* RD102
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
2 x 752, DC Booster Pump w/ Transformer
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT

View Cart$4,296.98

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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