Quote:
Originally Posted by iamgeo
I was just worried about pressure in case the water got too hot.
I live at Medina Lake. That's just a few miles NW of San Antonio. So far last month and this month we have seen days in the triple digits and upper 90's.
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If it's not valved off from your tank, (Which should have a T&P relief valve on it),
then you aren't likely to need it.
But, if you have valves on it, that isolate it.. Yeah, it might start leaking from over-pressure.
I've been around the Medina Lake area a few times, I had an uncle that lived
in that area back in the late 1950s.
Since does get below 32F sometimes, I think you might need a
drain down system.
That means you need to get about 98% of the water out of the outdoor
part of your system before it gets real cold.
And then be able to refill it, without too much air staying in the loops.
I remember jumping off the steps one really cold morning down in Del Rio,
I landed on the plastic water hose and it broke into about 50 pieces.
