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Author:
beckhamk (OH)
My house has two water heaters in series. cold goes into a gas WH and then into an electric water heater. I recently found out that i could turn off the 1st water heater and save money. But my first one is gas and I know I would save much more money turning the electric one off. I know i cant turn the electric one off the way the setup is now. I wanted to know if one can and if its a normal plubling thing to do is to add a bypass value to the gas wh hot line going into the electric wh's cold line and have that routed above the electric WH's hot out line. This way i would leave the eletric wh on and flowing in series if needed else bypass and turn off the electric wh?
Thoughts?
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Author:
hj (AZ)
There are many ways to do it, depending on how much control you want over the flow. the easiest would be a "3 way valve", but it can be done with conventional valves also.
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Author:
KCRoto (MO)
I install mine in parallel for this reason and servicing reasons, but you could accomplish some significant money savings by turning the temperature down on the water heaters and insulating the pipes to help limit the heat losses in the system.
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