Log In Log In  |  Checkout   |  46 item(s)
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x MK420, Maintenance kit for RO565
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x CBV-38, Tank Ball Valve to 3/8 tubing
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 316, 2nd stage CTA 16 US Membrane filter
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 205, 3rd stage solid carbon block filter
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H

View Cart$1,018.59
Specials Log InCreate Account Checkout  Shopping Cart46 item(s)
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x MK420, Maintenance kit for RO565
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x CBV-38, Tank Ball Valve to 3/8 tubing
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 316, 2nd stage CTA 16 US Membrane filter
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 205, 3rd stage solid carbon block filter
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H

View Cart$1,018.59

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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