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2 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x KF310, Elite Series: Polish Chrome Drinking Water Faucet
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x *Discontinued* RO6ALK
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*

View Cart$1,501.50
Specials Log InCreate Account Checkout  Shopping Cart34 item(s)
2 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x KF310, Elite Series: Polish Chrome Drinking Water Faucet
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x *Discontinued* RO6ALK
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*

View Cart$1,501.50

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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