Turning off water to water heater

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Old 09-27-17, 09:47 AM
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Turning off water to water heater

I'm planning an extended vacation this winter and am considering turning off the water to my house to prevent any leaks. If water is off for 4 to 6 weeks, should I also turn off the water heater to make sure it doesn't go dry? Since the tank is in an unheated garage and temps can be below freezing, should I also drain the tank?
 
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Old 09-27-17, 12:09 PM
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I would turn off the heater before I would turn off the water.

What temps do you expect to see in the garage while you're gone?
 
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Old 09-27-17, 12:23 PM
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Since the tank is in an unheated garage and temps can be below freezing
What happens to the lines to the water heater ?
They aren't heated or warm unless hot water is being drawn.
 
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Old 09-27-17, 07:31 PM
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Since freezing is a factor, I think at the very least, half drain the tank if not completely. And isolate the pipes and drain them. The lesser of any other evils.
 
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Old 09-27-17, 08:26 PM
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No one here has a clue where you are with no location in your profile.
If freezing is that big a concern the whole water system should be blown out or winterized.
There is no way the water heater is going to go dry if the waters shut off and no water gets used.
If it was me for that short a time I'd cut off the water, shut off the water heater, turn down the heat all the way and forget about it until I came home.
 
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Old 09-30-17, 07:49 AM
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I'm in Oklahoma so Temps in the garage may get to freezing but not much lower and also not for weeks on end, usually. The house itself would be kept about 55-60 and we're on a slab so the main system should be ok. What's brought this on is concern for things like ice maker lines breaking. I've no reason to expect that but it's a concern. We actually left the house for multiple months in the past with no issues, didn't turn off anything. Thanks for the comments so far.
Ken
 
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