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Old 10-16-2010, 01:58 PM   #1
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Water heater - leaving home unattended for two months


Hi
i want to leave my home for several months next spring. I will maintain interior temp around 62 and have somebody make weekly checks. I wanted to know the best way to set my domestic hot water heaters. I intended to shut the water feed lines, turn down the temperature settings and leave one hot faucet turned on. The idea of leaving the one faucet open is that it would allow for expansion and contraction of the water in the tank as the heater goes off and on (normally, this would be done by forcing water back to the feed line, afaik. I don't want to turn the heaters off completely, because somebody else is going to be using my home for several days before i return, and i want to simplify their task when they first come in - so i dont want them to have to reignite the burner.
ideas?
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Old 10-16-2010, 06:19 PM   #2
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Water heater - leaving home unattended for two months


Turn your main water off and turn the water heater to pilot, you don't need to leave anything turned on, whoever comes in only has to turn the main valve back on and water heater to on.
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Old 10-16-2010, 10:12 PM   #3
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Water heater - leaving home unattended for two months


makes sense. pilot would be low enough theat input to the tank that i shouldnt have to worry about expansion/contraction.
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Old 10-16-2010, 10:14 PM   #4
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Water heater - leaving home unattended for two months


Also check your home insurance.Some companies require more frequent visits to a vacant home.Daily is a better idea than weekly.
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Old 10-16-2010, 10:33 PM   #5
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Water heater - leaving home unattended for two months


i will get the next door neighbor to look in. thanks!
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Old 10-16-2010, 11:37 PM   #6
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Water heater - leaving home unattended for two months


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Turn your main water off and turn the water heater to pilot, you don't need to leave anything turned on, whoever comes in only has to turn the main valve back on and water heater to on.
Why not just turn the pilot off? Why even keep the pilot lit? I have a second home that I turn it completely off every winter and drain it. Why waste the gas?
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Old 10-17-2010, 09:20 AM   #7
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Water heater - leaving home unattended for two months


To make it easier for someone who is going to stay overnight as opposed to just walk through the house and check it. Now if he accidentally turns the knob from Pilot to Off instead of Run then he will have to get down on his knees and relight the pilot.

To make absolutely sure that the tank is full of water first, a hot water faucet should be running before the heater is restarted.
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Last edited by AllanJ; 10-17-2010 at 09:24 AM.
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Old 10-17-2010, 12:45 PM   #8
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Water heater - leaving home unattended for two months


good ideas. i *do* need to leave the house water on, because the weekly visitor will be watering the plants. thanks again.
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Old 10-19-2010, 01:48 AM   #9
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Water heater - leaving home unattended for two months


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Originally Posted by braindead View Post
Turn your main water off and turn the water heater to pilot, you don't need to leave anything turned on, whoever comes in only has to turn the main valve back on and water heater to on.

What if your home has 2 water tanks & home is completely electric (no gas, no Propane & you will be gone several months)?

Last edited by shirley6616; 10-19-2010 at 01:50 AM. Reason: spelling
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Old 10-19-2010, 06:33 AM   #10
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Water heater - leaving home unattended for two months


well, i have two gas hw heaters. in any event, i think the goal is to not allow the heater tank to be in a "lock" mode, and also - if it leaks - to not have an unlimited possible flow of water. so i'd shut either the house feed, or the hw inlet feeds, shut them down (electric) or pilot (gas), and leave a hw and a cw faucet partly open to allow the hw heater to not go into vacuum as it cools down. just mho. reverse on returning to the house.
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