Log In Log In  |  Checkout   |  104 item(s)
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
3 x 3rd stage C10 carbon block filter (replace every 6-12 months)
3 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
2 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 6044-combo Compression Type Fitting Elbow and Tee fitting
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 723, Feed Water Adapter with Ball Valve
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x *Discontinued* RD150
1 x *Discontinued* RD106
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 213, 4th stage inline carbon filter (replace every 12 months)

View Cart$3,657.57
Specials Log InCreate Account Checkout  Shopping Cart104 item(s)
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
3 x 3rd stage C10 carbon block filter (replace every 6-12 months)
3 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
2 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 6044-combo Compression Type Fitting Elbow and Tee fitting
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 723, Feed Water Adapter with Ball Valve
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x *Discontinued* RD150
1 x *Discontinued* RD106
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 213, 4th stage inline carbon filter (replace every 12 months)

View Cart$3,657.57

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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