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SomeConstructionGuy t1_j7uqwc3 wrote on February 9, 2023 at 3:36 PM

Reply to comment by Some_Mediocre_Guy in Seeking Advice: Boiler by Some_Mediocre_Guy

The catch is you will be limited to single stage non condensing efficiencies in the mid 80s%. That’s not as huge a concern if you have old radiation, but you will give up some efficiency and comfort over a modern modulating boiler with outdoor reset.