Log In Log In  |  Checkout   |  25 item(s)
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 752, DC Booster Pump w/ Transformer
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G

View Cart$1,045.50
Specials Log InCreate Account Checkout  Shopping Cart25 item(s)
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 752, DC Booster Pump w/ Transformer
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G

View Cart$1,045.50

FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch [FPK-AUC0404]

$14.95

FPK, 6 pcs Fitting Pack Union Connector 1/4\" quarter inch

Quantity

 

Description

 

 

6

Union Connector, 1/4" to 1/4"

part# AUC 0404

 



 

 

* 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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