Oh no! another mistake. 3413 btus to the net kw not 3412. Of course that is in a 100% eff world. You see how I am.
- chuckle -
Not to be outdone, I have seen 3412 "by definition", 3412.142 in a couple of other places, 3413, and 3414. My old Marks' is at work so I have to wing it!!