boiler circulation pump failing, no isolation valves, we must drain the entire system, no air vents!
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@militaur Always stop and think, would an idiot do this? if the answer is yes, do not do that thing! the taco circulating pump for the boiler bearings begin making noise, and they will soon fail. Can we make it through the weekend? draining the entire system, 6 floors with 16 heat pumps is a bad idea on Friday, especially for a bar. I come back Monday, drain the entire system, pull and clean all strainers on 16 water source heat pumps, and then attempt to refill the system and get rid of the air. the system is air locked until the second day, multiple attempts and a few different approaches when I finally get the air out and the water flowing.
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