Bell & Gossett 792-Gallon B-3 Expansion Tank 116794

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Series B 792-gallon ASME diaphragm vertical expansion tank designed to absorb the expansion forces of heating/cooling system water while maintaining proper system pressurization un der varying operating conditions. Series B tanks feature a heavy-duty, full-acceptable, replaceable butyl diaphragm and are pre-charged to 12 psi. Show more