Log In Log In  |  Checkout   |  93 item(s)
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 719, Drain Saddle Clamp / Valve
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x MKP, Maintenance kit for K5150P K6150P AR150P
3 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 720, Feed Water Adapter with Needle Valve
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
3 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
3 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x Special Filter Kit Koolermax dealer distribution kit
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO

View Cart$2,547.07
Specials Log InCreate Account Checkout  Shopping Cart93 item(s)
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 719, Drain Saddle Clamp / Valve
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x MKP, Maintenance kit for K5150P K6150P AR150P
3 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 720, Feed Water Adapter with Needle Valve
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
3 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
3 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x Special Filter Kit Koolermax dealer distribution kit
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO

View Cart$2,547.07

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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