Well I would appreciate that. I haven't contacted the manufacturer yet they usually won't help the homeowner with such matters they'd say contact a professional. I purchased the boiler on ebay in a flood sale, had to replace the liner. Boiler is fine the box was ruined so they couldn't sell it. Probably settled with the insurance co. already. I got a great deal, then bought a new hot water coil and Beckett burner. I'm real handy doing most anything I just don't want to make a mistake if I can avoid it. Not going to do the swap right away, got the hard stuff done the boilers down in the basement already. Hunting season going on right now here so I got my priorities. Thanks for any help.