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1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Special, Single Stage Housing Bracket Shell Connection Kit
3 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x bulk213, Inline Carbon Filter
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x bulk201, Sediment Filter
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x bulkic21, Koolermax Inline Carbon Filter
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x Special Filter Kit Koolermax dealer distribution kit

View Cart$7,289.93
Specials Log InCreate Account Checkout  Shopping Cart121 item(s)
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Special, Single Stage Housing Bracket Shell Connection Kit
3 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x bulk213, Inline Carbon Filter
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x bulk201, Sediment Filter
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x bulkic21, Koolermax Inline Carbon Filter
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x Special Filter Kit Koolermax dealer distribution kit

View Cart$7,289.93

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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