• PLT Series tanks feature a pre-pressurized steel tank with an expansion membrane that prevents contact of the water with the air in the tank, may be used with all types of Direct Fired Hot Water Heaters (gas, oil or electric) and hot water storage tanks
• ETX Series Non-Potable Water Expansion Tanks are for use in commercial and residential closed loop hydronic heating system piping to control the thermal expansion of hot water and maintain system pressure below the relief setting of the relief valve