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3 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
2 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
2 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x KT-103, Optional Manual Membrane Flush Valve
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x MKP, Maintenance kit for K5150P K6150P AR150P
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
5 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 205, 5th stage final carbon filter
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
2 x 7044-K Union Tee Connector Fitting Compression type 1/4"
3 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
3 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
2 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x FRQ420, Flow Restrictor 420ML / min
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
3 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
2 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 719, Drain Saddle Clamp / Valve
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
2 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x 741-14, Diverter Valve for Countertop Water Units
2 x EMT-10, Empty Filter Cartridge Casing Housing
1 x 720, Feed Water Adapter with Needle Valve
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x FRQ200, Flow Restrictor 200ML / min
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 752, DC Booster Pump w/ Transformer
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)

View Cart$4,212.12
Specials Log InCreate Account Checkout  Shopping Cart142 item(s)
3 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
2 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
2 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x KT-103, Optional Manual Membrane Flush Valve
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x MKP, Maintenance kit for K5150P K6150P AR150P
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
5 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 205, 5th stage final carbon filter
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
2 x 7044-K Union Tee Connector Fitting Compression type 1/4"
3 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
3 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
2 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x FRQ420, Flow Restrictor 420ML / min
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
3 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
2 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 719, Drain Saddle Clamp / Valve
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
2 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x 741-14, Diverter Valve for Countertop Water Units
2 x EMT-10, Empty Filter Cartridge Casing Housing
1 x 720, Feed Water Adapter with Needle Valve
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x FRQ200, Flow Restrictor 200ML / min
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 752, DC Booster Pump w/ Transformer
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)

View Cart$4,212.12

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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