Rheem Tankless
They are more expensive to buy. They are more expensive to install. They are all 199,000 BTU. You are supposed to descale them every year. Plumber charges about $150 because you are supposed to let the vinegar circulate for one hour. I bought the supplies on Amazon for about $100. Your gas line has to be big enough to support your gas appliances and the hot water heater. If you have a regular hot water heater I would replace it with the same type. New construction is different.
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