Size of water heater for new large jetted tub
Posted by Doug Pedersen on September 24, 2002 at 13:19:35:
We just put in a 70-90 gal jetted bathtub. We had a 50 gal gas water heater which we assumed was too small, so we added another 50 gal electric heater. First we let the new heater run the tub, not enought hot water to even come close to filling it. So we changed the plumbing to have the orig gas heater serve as the inlet to the new electric heater. We assumed this would give us 100 gal of hot water. It comes close to filling the tub. Is there a rule of thumb for size of typical household hot water heaters for these big tubs?


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