Quote:
Originally Posted by Xringer
Why would you put a pressure relief valve up there?
One thing that I have seen up there, is an air bleeder.
On my old system (Hot water pre-heater using glycol & water),
I had a manual bleeder installed at the high point.
Once or twice a year, I would go up and open the bleeder to let any air escape.
IIRC, there never was much air in the system.
Some systems have an self-bleeder valve up there. (float type).
What kind of weather do you get at your location??
Around here, that type of open system wouldn't work real well in the winter.
Here, we need some good insulated flat panel collectors,
or some of those Newfangled vacuum tube units.
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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.