Log In Log In  |  Checkout   |  48 item(s)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x bulk205, Carbon Block Filter
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 720, Feed Water Adapter with Needle Valve
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
2 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)

View Cart$1,793.95
Specials Log InCreate Account Checkout  Shopping Cart48 item(s)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x bulk205, Carbon Block Filter
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 720, Feed Water Adapter with Needle Valve
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
2 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)

View Cart$1,793.95

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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