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This non-portable water expansion tank is for closed loop hydronic heating system piping to control the thermal expansion of hot water and maintain system pressure below the relief sett of the relief valve
The carbon steel tank is pre-charged at 12 psi, has a 4.5 gallon volume, and features a durable expansion membrane preventing minimizes loss of the air change and ensures long and trouble-free life for the system
Made of carbon steel with epoxy finish, mounts to supply piping, with 1/2 inch MNPT system connection and .302-32 inch charging valve connection for on-site charging of the tank
Maximum pressure 60 psi and can be used in residential or commercial hydronic heating systems
Use in tandem with your hot water heater to absorb increased water volume ensuring long and trouble-free life for the system
Product Description The Watts ETX-30 Non-Potable Water Expansion Tank is used in tandem with your hot water heater to absorb increased water volume resulting from hot water boiler heating and to keep system pressure below the relief setting. Use in closed-loop, non-potable water heating systems. Durable steel tank with 60 psi maximum working pressure From the Manufacturer Use the Watts series ETX water expansion tank in tandem with your hot water heater to absorb increased water volume resulting from hot water boiler heating and keep system pressure below the relief setting. Use in closed-loop, non potable water heating systems. Durable steel tank with 60 psi maximum working pressure.