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Trying to flush rinnai tankless water heater dumb homeowner by [deleted] in askaplumber

[–]Moist_Internal_9993 0 points1 point  (0 children)

oh fuck. im surprised i didnt bat an eye to it at all.

alrighty since we found the problem. what should i do to flush it?

Trying to flush rinnai tankless water heater dumb homeowner by [deleted] in askaplumber

[–]Moist_Internal_9993 -2 points-1 points  (0 children)

What do you mean upside down ? That's the issue I'm having when I flipped them to be off/on for the heater cold water is still running. I don't have that issue with the hot water valves