Log In Log In  |  Checkout   |  26 item(s)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
View Cart$750.30
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Specials Log InCreate Account Checkout  Shopping Cart26 item(s)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
View Cart$750.30

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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