Log In Log In  |  Checkout   |  31 item(s)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x *Discontinued* RO6ALK
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"

View Cart$1,372.44
Specials Log InCreate Account Checkout  Shopping Cart31 item(s)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x *Discontinued* RO6ALK
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"

View Cart$1,372.44

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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