Watts ET-30 Non-Potable Water Expansion Tank (0067411)
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Watts ET-15 Non-Potable Water Expansion Tank (0067401) Watts ET-30 Non-Potable Water Expansion Tank (0067411) is 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. The pre-pressurized steel tank features a durable expansion membrane that prevents contact of the water with the air in the tank. This rugged diaphragm minimizes loss of the air change and ensures long and trouble-free life for the system. Available in a variety of models and sizes. Maximum Pressure: 60psi (4.1 bar). • 1/2" male connection and tank volume of 4.7 gallons • Available in pallet quantities of 48 * Watts ET-15 shown in image, see Specifications On Sale |