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- WATTS® 0212026
WATTS® Expansion Tank, Pressurized, Series: DETA, 3.5 gal Tank Volume, Acceptance Volume: 2.3 gal, 150 psi, ASME Yes/No: Yes, 10 in Dia, 14 in Height, Carbon Steel, 40 psi Pre-Pressure Rating, 240 deg F Maximum Temperature, NPT, 3/4 in, Domestic
Lead free 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 The water is contained in a butyl bladder They are designed to accept the expanded volume of hot water keeping the system pressure below the relief valve setting