Log In Log In  |  Checkout   |  47 item(s)
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
3 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
2 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x 720, Feed Water Adapter with Needle Valve
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump

View Cart$1,540.94
Specials Log InCreate Account Checkout  Shopping Cart47 item(s)
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
3 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
2 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x 720, Feed Water Adapter with Needle Valve
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump

View Cart$1,540.94

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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