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2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 706, Membrane Filter Casing Housing Assembly
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x N-14-1M, Nipple Fitting connector between standard RO housing
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x *Discontinued* RO585NTF
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x FRQ850, Flow Restrictor 850ML / min
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 723, Feed Water Adapter with Ball Valve
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FRQ420, Flow Restrictor 420ML / min
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)

View Cart$2,401.84
Specials Log InCreate Account Checkout  Shopping Cart71 item(s)
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 706, Membrane Filter Casing Housing Assembly
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x N-14-1M, Nipple Fitting connector between standard RO housing
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x *Discontinued* RO585NTF
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x FRQ850, Flow Restrictor 850ML / min
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 723, Feed Water Adapter with Ball Valve
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FRQ420, Flow Restrictor 420ML / min
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)

View Cart$2,401.84

ASA, Stem Adapter NPT Thread [ASA]

$2.50

ASA, Stem Adapter NPT Thread



* ASA, Stem Adapter NPT Thread

* Please choose size from the selection box below. First number is tubing OD Outside Diameter and second number is NPT National Pipe Thread. (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" NPTF Thread ASA0404
* 1/4" Tube OD x 1/8" NPTF Thread ASA0402
* 3/8" Tube OD x 1/4" NPTF Thread ASA0604
* 3/8" Tube OD x 3/8" NPTF Thread ASA0606
* 1/2" Tube OD x 3/8" NPTF Thread ASA0706
* 1/2" Tube OD x 1/2" NPTF Thread ASA0707


* 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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