Log In Log In  |  Checkout   |  117 item(s)
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
2 x 7044-K Union Tee Connector Fitting Compression type 1/4"
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x 3rd 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 SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
3 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
2 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x AQF-600-102, Flow Meter Panel Mount 3/8" MPT
3 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
3 x Optional: 564 Membrane Filter Housing Wrench Opener
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x 752, DC Booster Pump w/ Transformer
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x bulkic21, Koolermax Inline Carbon Filter
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x FRQ200, Flow Restrictor 200ML / min
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
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 Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x bulkc10, Koolermax Carbon Block Filter
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x *Discontinued* RO6ALK
1 x UU Clips Pair from Bracket to Membrane Filter
1 x 214, Clear Inline Filter Cartridge Empty Case

View Cart$5,346.70
Specials Log InCreate Account Checkout  Shopping Cart117 item(s)
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
2 x 7044-K Union Tee Connector Fitting Compression type 1/4"
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x 3rd 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 SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
3 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
2 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x AQF-600-102, Flow Meter Panel Mount 3/8" MPT
3 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
3 x Optional: 564 Membrane Filter Housing Wrench Opener
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x 752, DC Booster Pump w/ Transformer
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x bulkic21, Koolermax Inline Carbon Filter
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x FRQ200, Flow Restrictor 200ML / min
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
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 Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x bulkc10, Koolermax Carbon Block Filter
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x *Discontinued* RO6ALK
1 x UU Clips Pair from Bracket to Membrane Filter
1 x 214, Clear Inline Filter Cartridge Empty Case

View Cart$5,346.70

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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