Timeline for How is it possible for pressure to build up in a water heater?
Current License: CC BY-SA 3.0
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| Mar 21, 2017 at 0:19 | comment | added | Anthony X | I'm very familiar with well water systems such as you describe. Even in such a system, the check valve is upstream of the tank (at the pump take-off), so any thermal expansion produced by the water heater could simply push back into the accumulator. In my case, it is city supply, so no accumulator tank, and no sign of a pressure reducer, just the city meter and shutoff valve as the most upstream parts of the system in the house. | |
| Mar 19, 2017 at 17:56 | history | answered | Matthew Gauthier | CC BY-SA 3.0 |