Log In Log In  |  Checkout   |  30 item(s)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x *Discontinued* RO155C
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x HK120-P-TK for USA 110V / 60Hz
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x *Discontinued* RD106
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"

View Cart$1,546.50
Specials Log InCreate Account Checkout  Shopping Cart30 item(s)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x *Discontinued* RO155C
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x HK120-P-TK for USA 110V / 60Hz
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x *Discontinued* RD106
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"

View Cart$1,546.50

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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