Log In Log In  |  Checkout   |  101 item(s)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x *Discontinued* RO6ALK
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
6 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
2 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x *Discontinued* RO585A
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 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 *Discontinued* RO585ERP
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x *Discontinued* RD106
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 706, Membrane Filter Casing Housing Assembly
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x WS-150M, Whole House Water Softener

View Cart$7,351.40
Specials Log InCreate Account Checkout  Shopping Cart101 item(s)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x *Discontinued* RO6ALK
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
6 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
2 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x *Discontinued* RO585A
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 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 *Discontinued* RO585ERP
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x *Discontinued* RD106
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 706, Membrane Filter Casing Housing Assembly
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x WS-150M, Whole House Water Softener

View Cart$7,351.40

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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