Log In Log In  |  Checkout   |  42 item(s)
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 719, Drain Saddle Clamp / Valve
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x *Discontinued* RO585ERP
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x FRQ200, Flow Restrictor 200ML / min
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 565, Digital Pressure Gauge Tester Monitor
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"

View Cart$1,916.95
Specials Log InCreate Account Checkout  Shopping Cart42 item(s)
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 719, Drain Saddle Clamp / Valve
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x *Discontinued* RO585ERP
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x FRQ200, Flow Restrictor 200ML / min
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 565, Digital Pressure Gauge Tester Monitor
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"

View Cart$1,916.95

4042-K Male Elbow Fitting Compression type(membrane housing use) [4042-K]

$2.50

4042-K Male Elbow Fitting Compression type(membrane housing use)



* 4042-K Male Elbow Compression type 1/4" OD TUBING, 1/8" MPT PIPE THREAD

* This fitting is used in Membrane filter housing only.

 



 



* 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. 

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