Log In Log In  |  Checkout   |  58 item(s)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x HK120-P-TK for USA 110V / 60Hz
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x *Discontinued* RO155
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H

View Cart$2,539.60
Specials Log InCreate Account Checkout  Shopping Cart58 item(s)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x HK120-P-TK for USA 110V / 60Hz
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x *Discontinued* RO155
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H

View Cart$2,539.60

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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