Hi guys I need advice for installing a fireplace in my basemant. I bought a B vent fireplace which I intend to went to the common chimney in the house that the water heather and furnace is using. what are the building codes for this does the fireplace have to be above the other appliances on the vent pipe or at the bottom is just fine. Any advice is welcomed regarding my project, so please post your thoughts and knowleadge. Thanks in advance guys.