failed to purge previous heater and it failed. Now call once a year for flushing. Out comes debris that looks like metal due to our "hard" city water.
DB has helped me with spring at old farmhouse and many other problems.
They are professional to the max and also helpful, explaining things and going above and beyond. If you have dealt with others, you will be pleasantly surprised with these guys. They are smart and committed to their customers, knowledgeable and fair. Thanks DB's.
Mary Ann Phelps, Occoquan
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