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Considering replacing my Polaris unit with a Mod/Con – put this plan together. Please provide feedback. For additional background on the current setup – see this post
Two main questions:
1. Are mixing valves in front of each manifold an overkill -- given the biggest delta between zones is 25 degrees?
2. Is the proposed piping layout for a future wood burning boiler correct? Can it be simplified? At this point just looking to stub out… Ultimately looking to be able to run using either heating source for space and DHW.