Quote:
Originally Posted by LikeLakes
No need to shut the valves. IMO you are better off from a health standpoint with full pipes, not pipes partially full and partially with air. By leaving valves open, when you open a hot water faucet cold water will flow through the heater, keeping air out.
I hear what you are saying about not using much water. I'd still leave it on.
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If I don't shut the valves, doesn't that mean the water is coming from the water heater, with the risk of bacteria??
If the valves are closed, why would there be air in the pipes? The pipes would be under pressure from the town water main, no?