Log In Log In  |  Checkout   |  161 item(s)
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
3 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x FRQ200, Flow Restrictor 200ML / min
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x KF310, Elite Series: Polish Chrome Drinking Water Faucet
1 x FRQ420, Flow Restrictor 420ML / min
2 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
2 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x WS-150M, Whole House Water Softener
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
3 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 723, Feed Water Adapter with Ball Valve
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
3 x 201, 1st stage sediment filter (replace every 6-12 months)
4 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
2 x KT-103, Optional Manual Membrane Flush Valve
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
2 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
2 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 *Discontinued* RD106
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x bulk201, Sediment Filter
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x HK120-P-TK for USA 110V / 60Hz
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x 565, Digital Pressure Gauge Tester Monitor
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
2 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x PE Tubing Tube Cutter
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x 706, Membrane Filter Casing Housing Assembly
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x Optional: 564 Membrane Filter Housing Wrench Opener

View Cart$11,400.60
Specials Log InCreate Account Checkout  Shopping Cart161 item(s)
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
3 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x FRQ200, Flow Restrictor 200ML / min
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x KF310, Elite Series: Polish Chrome Drinking Water Faucet
1 x FRQ420, Flow Restrictor 420ML / min
2 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
2 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x WS-150M, Whole House Water Softener
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
3 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 723, Feed Water Adapter with Ball Valve
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
3 x 201, 1st stage sediment filter (replace every 6-12 months)
4 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
2 x KT-103, Optional Manual Membrane Flush Valve
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
2 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
2 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 *Discontinued* RD106
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x bulk201, Sediment Filter
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x HK120-P-TK for USA 110V / 60Hz
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x 565, Digital Pressure Gauge Tester Monitor
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
2 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x PE Tubing Tube Cutter
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x 706, Membrane Filter Casing Housing Assembly
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x Optional: 564 Membrane Filter Housing Wrench Opener

View Cart$11,400.60

ACHV, Check Valve Inline Type [ACHV]

$9.00

ACHV, Check Valve Inline Type



* ACHV, Check Valve Inline Type

* Please choose size from the selection box below. Both numbers are tubing OD Outside Diameter. First number is Tube in and second number is Tube out. (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 ACHV0404
* 3/8" Tube OD x 3/8" Tube OD ACHV0606
* 1/2" Tube OD x 1/2" Tube OD ACHV0707


* 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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