Recent content by martymet

I have been reading the other threads on this board relating to the same type of question, and there are a few references to the downward slope. Glad I asked, but more glad I got it right. Thanks again

Just installed the Mr Heater 75 and the instructions state that the vent should be sloped upward through the wall thimble. There are several posts here that say it should be sloped downward ( this is a horizonal vent). I can understand the rationale for both, but which is right? Also, the gap...