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Piping Hot Water Loop off Steam Boiler
Hi all, we're installing a replacement steam boiler where the owner wants a new hot water zone for a small in-law apartment. We've done the numbers on the btu draw and are within the 1/3 capacity limit recommended by Dan. I have two questions on the piping.
1. Can the hot water loop (bypass and all, as diagrammed in We've Got Steam Heat) be in copper? If not, where do we transition from steel?
2. Where does the aquastat go?
Any help is greatly appreciated. Thanks for your time, -Adam