Log In Log In  |  Checkout   |  86 item(s)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 741-14, Diverter Valve for Countertop Water Units
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KT-103, Optional Manual Membrane Flush Valve
1 x FRQ300, Flow Restrictor 300ML / min
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
2 x 752, DC Booster Pump w/ Transformer
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x *Discontinued* RO585ERP
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 723, Feed Water Adapter with Ball Valve
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x FRQ420, Flow Restrictor 420ML / min
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x HK120-P-TK for USA 110V / 60Hz
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x *Discontinued* RO6ALK
1 x *Discontinued* RO585A
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems

View Cart$5,029.84
Specials Log InCreate Account Checkout  Shopping Cart86 item(s)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 741-14, Diverter Valve for Countertop Water Units
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KT-103, Optional Manual Membrane Flush Valve
1 x FRQ300, Flow Restrictor 300ML / min
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
2 x 752, DC Booster Pump w/ Transformer
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x *Discontinued* RO585ERP
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 723, Feed Water Adapter with Ball Valve
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x FRQ420, Flow Restrictor 420ML / min
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x HK120-P-TK for USA 110V / 60Hz
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x *Discontinued* RO6ALK
1 x *Discontinued* RO585A
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems

View Cart$5,029.84

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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