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Posted by cglex on September 17, 2008 at 11:12:03:
In Reply to: Re: Decisions on what to do with failed Burnham gas boiler posted by HeatPro on September 17, 2008 at 11:04:40:
There is a mixing valve for the radiant heat that is controlled by a Viessmann Dekamatick HK!. That valve may not have been working properly the spring through fall of 2007, as the battery died and I didn't catch on until the late fall.
I don't know if the system is "sealed" as you say.
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