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2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
3 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
2 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x bulk201, Sediment Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
2 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 205, 5th stage final carbon filter
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
3 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
2 x 201, 1st stage sediment filter (replace every 6-12 months)
3 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x bulk818, DI resin refill bags Di-Ionization media
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x bulksf05, Koolermax Sediment Filter
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x *Discontinued* RO6ALK
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x WS-150M, Whole House Water Softener
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"

View Cart$7,124.19
Specials Log InCreate Account Checkout  Shopping Cart95 item(s)
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
3 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
2 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x bulk201, Sediment Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
2 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 205, 5th stage final carbon filter
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
3 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
2 x 201, 1st stage sediment filter (replace every 6-12 months)
3 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x bulk818, DI resin refill bags Di-Ionization media
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x bulksf05, Koolermax Sediment Filter
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x *Discontinued* RO6ALK
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x WS-150M, Whole House Water Softener
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"

View Cart$7,124.19

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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