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Old 04-08-2014, 03:07 PM   #1
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Electric and gas water heater; stupid?


Hello all,

Recently a neighbor got natural gas run to his house and I benefited by getting it ran to my house for free.

I have three baths and two kids that simultaneously take marathon showers meaning the hot water goes very quickly.

I currently have a 2 year old electric water heater. I am wondering if it would be too stupid to install a gas water heater ahead of the electric? The electric one would act as a holding tank and keep the water warm.

I know tankless might be an option but I do have some PVC water runs and I was told that the PVC cannot handle the tankless water pressure.

Your thoughts?

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Old 04-08-2014, 05:34 PM   #2
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Electric and gas water heater; stupid?


PVC should not be used to pressure lines inside a house.
They should be Pex, copper, or CPVC.

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Old 04-08-2014, 06:01 PM   #3
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Electric and gas water heater; stupid?


It would be easier and less expensive to put a sign in the baths that reads " ALL HOT WATER SHUTS OFF AFTER 12 MINUTES " You did say retired Army didn't you.
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Old 04-08-2014, 06:42 PM   #4
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Electric and gas water heater; stupid?


IMO- Nothing wrong with 2 tanks. The energy/fuel source doesn't matter either.
But, have you looked into venting the new gas heater? How about the price? Is it worth it?
I'd just let them run out of hw before I dropped that cash on a heater just to give them longer showers...
What size is your existing heater?
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Old 04-08-2014, 07:40 PM   #5
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Electric and gas water heater; stupid?


If you go with a Natural Gas Water Heater. I would suggest at least a 50 gallon. I went with a 50 gallon Richmond (Rheem) NG Power Vent Water Heater. We never run out of hot water. Especially since I have a 17 y/o, that likes to take 30 minute showers, before I or my wife gets in to take a shower after him. Still putting out hot water like no tomorrow, after he is done.
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