Log In Log In  |  Checkout   |  60 item(s)
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
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 RO6ALK
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
2 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 752, DC Booster Pump w/ Transformer
1 x bulksf05, Koolermax Sediment Filter
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
3 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x KT-103, Optional Manual Membrane Flush Valve
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 720, Feed Water Adapter with Needle Valve
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x FRQ300, Flow Restrictor 300ML / min

View Cart$2,570.39
Specials Log InCreate Account Checkout  Shopping Cart60 item(s)
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
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 RO6ALK
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
2 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 752, DC Booster Pump w/ Transformer
1 x bulksf05, Koolermax Sediment Filter
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
3 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x KT-103, Optional Manual Membrane Flush Valve
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 720, Feed Water Adapter with Needle Valve
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x FRQ300, Flow Restrictor 300ML / min

View Cart$2,570.39

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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