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Old 06-13-2012, 02:02 AM   #1
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Hose bib: leave it open in freeze temps, or closed?


I had a hose bib valve fail on me this winter so I got a pro to replace it in case I did something wrong when I installed it. He added a shut off valve inside with a drain plug. He also told me I should leave it turned on from outside while it's turned off inside, after draining it.

Tonight we're getting below freezing temps so I just went and did that. Only thing I'm wondering, should I really be leaving it on outside, or should I close it (after having drained it)? The way I see it, by closing it at least it provides an air seal and the air that is inside sorta acts as primitive insulation. By leaving it open, the cold can enter it faster, and then migrate to the part that still has water and potentially freeze it there. Though that part is in the house so perhaps the heat will overpower the cold air that enters?

On the other hand, by leaving it closed air at a certain temp (hot) is sealed in, and then when it freezes, it may cause any moisture in that air to condense and turn into frost.

So which way is better? Keep in mind that the indoor shut off is off, but that shut off is maybe a few inches away from the end of the hose bib's valve. I'm just a little paranoid after having a water disaster. its only going to like -1 so I'm not really worried for tonight, but I'm thinking more for when we get -30's again in ~6 months from now.

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Old 06-13-2012, 06:00 AM   #2
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Hose bib: leave it open in freeze temps, or closed?


Best.... install a frost free one. But otherwise as you were directed. Close the inside and open the outside. frozen moisture will do no harm.

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Old 06-13-2012, 02:46 PM   #3
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Hose bib: leave it open in freeze temps, or closed?


Yes it's a frost free but the one that failed was also frost free and the small amount of water that stayed in (I suspect) froze and made it split. I still have to close it inside, there is another valve maybe 6 inches from the frost free's internal valve. So I'm good to just leave the outside open and close the added valve?
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Old 06-14-2012, 12:13 AM   #4
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Hose bib: leave it open in freeze temps, or closed?


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So I'm good to just leave the outside open and close the added valve?
Yes. Leave the inner valve closed and the outer one open.
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Old 06-14-2012, 07:17 AM   #5
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Hose bib: leave it open in freeze temps, or closed?


I like to install stop and waste valves on my water lines going outside that way I just shut off the valve and open the little drain cap then go outside and open the spigot. Wala no water anywhere all drained out.
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Old 06-14-2012, 08:09 AM   #6
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Hose bib: leave it open in freeze temps, or closed?


June 14th and you are expecting freezing weather. BRR

It might get down to 70 tonight
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Old 06-14-2012, 12:57 PM   #7
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Hose bib: leave it open in freeze temps, or closed?


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June 14th and you are expecting freezing weather. BRR

It might get down to 70 tonight
Yeah we can get the odd freezing day here and there, even in July or August. It's been hot otherwise though. Went up to like 35c the other day.

Kinda funny as I opened up all the windows and had the fan going, brought down the house temp from 25 to 13 in a matter of hours. Not often I can do that.

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