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  #11  
Old 01-14-2013, 03:50 PM
Kiril Kiril is offline
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Originally Posted by irrig8r View Post
We don't often get subfreezing temperatures here in Silicon Valley. Last time that I remember a freeze doing serious damage was over 20 years ago.

Overnight lows are supposed to dip into the upper 20s tonight and nobody does blowouts around here.

Could mean a busy week ahead...
Nah .... it has to stay that temp longer than overnight for me to worry about it.
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  #12  
Old 01-14-2013, 04:33 PM
irrig8r irrig8r is offline
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Originally Posted by Wet_Boots View Post
Upper 20's usually doesn't break plumbing, especially that connected by heavy copper and brass to a heated basement.
It's definitely worse when it gets below 25.

Around here the norm is AS valves on PVC.

In my experience the Richdel/ Irritrol jartops are one of the worst effected. Rainbird ASVFs tend to survive OK.

Brass actuators, like Champion or Superior, on older brass valves split sometimes. And with plastic actuators like the Hydro Rain/ Hardie/ Irritrol 311A the internals would kind of explode.

Lots of above ground pool equipment with no covers too.

And RPZs required for a lot of businesses, like salons, dog groomers, medical and dental, etc. Usually installed within 3 ft. of the meter, with no covers.

December 1990 it got down to 19 degrees and did a lot of damage. Lots of construction/ development since then.
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  #13  
Old 01-14-2013, 04:36 PM
irrig8r irrig8r is offline
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Originally Posted by Kiril View Post
Nah .... it has to stay that temp longer than overnight for me to worry about it.
3 nights in a row with lows of of 28 or so... Some problems won't show up until people start watering again.
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  #14  
Old 01-14-2013, 05:49 PM
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Mike Leary Mike Leary is offline
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Quote:
Originally Posted by irrig8r View Post
3 nights in a row with lows of of 28 or so... Some problems won't show up until people start watering again.
And the classic $700.00 water bill comes in.
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  #15  
Old 01-14-2013, 06:52 PM
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irritation irritation is offline
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Originally Posted by irrig8r View Post
3 nights in a row with lows of of 28 or so.
We have that before we even start winterizing.
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  #16  
Old 01-14-2013, 09:43 PM
Kiril Kiril is offline
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Originally Posted by irrig8r View Post
3 nights in a row with lows of of 28 or so... Some problems won't show up until people start watering again.
Same here, or colder. Still not worried about it. Mid to low 20's, especially if freezing temps extend well into the daylight hours I start to worry.
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  #17  
Old 01-14-2013, 10:31 PM
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1idejim 1idejim is online now
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Originally Posted by Kiril View Post
Same here, or colder. Still not worried about it. Mid to low 20's, especially if freezing temps extend well into the daylight hours I start to worry.
Ice on the troughs were over an inch thick and one that was shaded and unused never thawed today.
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  #18  
Old 01-14-2013, 10:44 PM
Kiril Kiril is offline
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Originally Posted by 1idejim View Post
Ice on the troughs were over an inch thick and one that was shaded and unused never thawed today.
You were prolly in the low 20's there? Betting it didn't get above freezing until close to noon either.
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  #19  
Old 01-15-2013, 08:08 AM
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DanaMac DanaMac is offline
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-3 degrees here at the casa. Stay warm my friends.
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