Hello. I have a Weil McLain GV90+ Furnace. New about 5 years ago. It won't stay running. It fires and gets the water temp up to about 185 then shuts off. The water temp drops after about a minute or two to about 155 then fires again. The pumps are continually running calling for water to be circulated to the heating zones throughout the house. House get cooler, but never "freezes" since the furnace does regularly fire, but won't stay running adn thus does't maintain desired temp. I will be contacting the company that did the install but I'm 99% certain this is now the 3rd time this has happened with the same exact symptoms. First 3 years, and next time 2 years ago. I think both times the "controller" was replaced. I'm nervous that the true problem isn't identified. I know this isn't ver specific but should I be wise to be cautious since it's a repeating problem? Thanks!
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