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Posted by kevin on December 17, 2005 at 20:16:43:
I have a columbia gem86 boiler that heats the domestic hot water as well hot water copper fin baseboard.
When we run the shower the hot water doesent keep up with the demand and turns luke warm to cold to luke warm only during the winter and heating season.
The aquastat is set for 145 low limit 180 high limit. T
The boiler I know is a 3 coil tankless system.
Any ideas of problems why?
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