Question about Bosch & Tankless LP Hot Water Heater
In order to clean the unit you need to connect a small sump pump to the cold inlet, and run a hose from the hot side into the same bucket. Pour about a gallon a white distilled vinegar in the bucket, and turn the pump on. Let the solution run through the unit for about 15 minutes, then reverse the hose connections and run the pump for another 15 minutes. Reconnect the water supply and outlet. Turn the water on in the bathtub first on the hot side and let ir run for a few minutes before turning the power back on to the heater. While the water is still running turn the power back on and reset the thermostat. If you get a lot of debris in the bucket, you may need to consider installing a water-softener to prevent scaling.
Posted on Sep 17, 2010
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Posted on Jan 02, 2017
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