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Old 05-20-2018, 02:19 PM   #1
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When to drain Water Heater?

We just returned from a trip to Smith Mountain Lake and Fairystone SP in VA. Our next trip will be a month or two from now to northern VT and Prince Edward Island.

We typically drain the black and gray water tanks after each trip but was wondering if it would be best to also drain the hot water heater and potable water tank as well.

Could anybody offer their opinion. Thank you.
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Old 05-20-2018, 02:37 PM   #2
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I always drain my fresh tank and hot water heater between trips.
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Old 05-20-2018, 03:17 PM   #3
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Quote:
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I always drain my fresh tank and hot water heater between trips.


Why?
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Old 05-30-2018, 11:24 AM   #4
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I drain my water heater once a year before freezing weather moves in....
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Old 05-30-2018, 11:30 AM   #5
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I also always drain my HW and FW tank between trips. Simple 2 min process ( I have a drain valve added to HW tank). If you want to know why, fill a small jar with water from your system, cover and let it sit in the RV until your next trip, then decide if you want to use it. Many campgrounds have wells and the water although safe to drink contain dissolved minerals and salts that will settle out over time while sitting in tanks.
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Old 05-30-2018, 11:32 AM   #6
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Thank you

Iíve heard people drain their hot water tank between outings but i wonder if it makes sense since water remains in the plumbing lines and house filter regardless.
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Old 05-30-2018, 11:35 AM   #7
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Like Ernest, I only drain it once a year in the winter, but we also use it at least every other weekend, so it gets high turn over in water. If I had a long period between trips, I'd consider draining it.

Just make sure that you turn the HW electric element off before you drain it or else you'll burn out the element.
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Old 05-30-2018, 11:41 AM   #8
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Quote:
Originally Posted by Kimber45 View Post
I always drain my fresh tank and hot water heater between trips.
X3

I have the Camco anode with the petcock in the WH , 1/4 turn ball valves on the LP drains. I drain the tank and the whole shebang if I'm not going out for a few weeks. Bet it doesn't take more than a minute to open everything
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Old 05-30-2018, 11:54 AM   #9
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I drain the HW and fresh water tank each fall. But Flybob does have a good practice if one knows the water may not be clean.
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Old 05-30-2018, 01:49 PM   #10
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We drain ours at the ending of camping season.
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