Log In Log In  |  Checkout   |  65 item(s)
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x bulk818, DI resin refill bags Di-Ionization media
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 310, 2nd stage CTA 10 US Membrane filter (every 2-3 yrs)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x Special Filter Kit Koolermax dealer distribution kit
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x bulkc10, Koolermax Carbon Block Filter
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x bulk205, Carbon Block Filter
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x bulk213, Inline Carbon Filter
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x bulk201, Sediment Filter
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x bulksf05, Koolermax Sediment Filter
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x bulkic21, Koolermax Inline Carbon Filter
View Cart$3,218.46
Home
Specials Log InCreate Account Checkout  Shopping Cart65 item(s)
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x bulk818, DI resin refill bags Di-Ionization media
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 310, 2nd stage CTA 10 US Membrane filter (every 2-3 yrs)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x Special Filter Kit Koolermax dealer distribution kit
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x bulkc10, Koolermax Carbon Block Filter
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x bulk205, Carbon Block Filter
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x bulk213, Inline Carbon Filter
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x bulk201, Sediment Filter
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x bulksf05, Koolermax Sediment Filter
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x bulkic21, Koolermax Inline Carbon Filter
View Cart$3,218.46

FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch [FPK-AUC0706]

$19.95

FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch

Quantity

 

Description

 

 

6

Union Connector, 1/2" to 3/8"

part# AUC 0706

 



 

 

* 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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