Log In Log In  |  Checkout   |  135 item(s)
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x DB40, DI Resin Refill Bag for DI210, RD322
2 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 720, Feed Water Adapter with Needle Valve
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 752, DC Booster Pump w/ Transformer
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 719, Drain Saddle Clamp / Valve
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x *Discontinued* RO585NTF
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 723, Feed Water Adapter with Ball Valve
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x *Discontinued* RO585
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
2 x KT-103, Optional Manual Membrane Flush Valve
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x *Discontinued* RO585ERP
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x *Discontinued* RO585A
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x *Discontinued* RO6ALK
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x Special Filter Kit Koolermax dealer distribution kit
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
View Cart$7,471.51
Home
Specials Log InCreate Account Checkout  Shopping Cart135 item(s)
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x DB40, DI Resin Refill Bag for DI210, RD322
2 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 720, Feed Water Adapter with Needle Valve
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 752, DC Booster Pump w/ Transformer
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 719, Drain Saddle Clamp / Valve
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x *Discontinued* RO585NTF
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 723, Feed Water Adapter with Ball Valve
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x *Discontinued* RO585
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
2 x KT-103, Optional Manual Membrane Flush Valve
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x *Discontinued* RO585ERP
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x *Discontinued* RO585A
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x *Discontinued* RO6ALK
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x Special Filter Kit Koolermax dealer distribution kit
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
View Cart$7,471.51

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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