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1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
5 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 706, Membrane Filter Casing Housing Assembly
1 x *Discontinued* RO585NTF
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
2 x Optional: 564 Membrane Filter Housing Wrench Opener
5 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x *Discontinued* RO6ALK
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
2 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x EMT-10, Empty Filter Cartridge Casing Housing
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x bulk205, Carbon Block Filter
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x *Discontinued* RD106
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x bulk201, Sediment Filter
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x *Discontinued* RO585ERP
2 x KT-103, Optional Manual Membrane Flush Valve
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x bulkic21, Koolermax Inline Carbon Filter
2 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
2 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
3 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x bulk213, Inline Carbon Filter
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x *Discontinued* RD150
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x *Discontinued* RD102
1 x 723, Feed Water Adapter with Ball Valve
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x bulk818, DI resin refill bags Di-Ionization media

View Cart$10,871.05
Specials Log InCreate Account Checkout  Shopping Cart152 item(s)
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
5 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 706, Membrane Filter Casing Housing Assembly
1 x *Discontinued* RO585NTF
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
2 x Optional: 564 Membrane Filter Housing Wrench Opener
5 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x *Discontinued* RO6ALK
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
2 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x EMT-10, Empty Filter Cartridge Casing Housing
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x bulk205, Carbon Block Filter
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x *Discontinued* RD106
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x bulk201, Sediment Filter
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x *Discontinued* RO585ERP
2 x KT-103, Optional Manual Membrane Flush Valve
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x bulkic21, Koolermax Inline Carbon Filter
2 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
2 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
3 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x bulk213, Inline Carbon Filter
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x *Discontinued* RD150
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x *Discontinued* RD102
1 x 723, Feed Water Adapter with Ball Valve
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x bulk818, DI resin refill bags Di-Ionization media

View Cart$10,871.05

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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