Log In Log In  |  Checkout   |  30 item(s)
1 x KT-103, Optional Manual Membrane Flush Valve
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x 578, TDS Water Quality Meter tds-3
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
View Cart$1,127.93
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Specials Log InCreate Account Checkout  Shopping Cart30 item(s)
1 x KT-103, Optional Manual Membrane Flush Valve
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x 578, TDS Water Quality Meter tds-3
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
View Cart$1,127.93

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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