Quote:
Originally Posted by Drkevr
If you flush with the valves in winter mode you eliminate pushing antifreeze to the hot water heater. It is an. Extra step but keeps the water heater from having antifreeze settling.
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What he said
I might add when I add the bleach in the fresh water tank for sanitizing is when I turn valves to summer mode. Pushes the chlorinated water into an empty hot water heater.
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