Big Maxx horizontal venting

[scokat916]

I'm installing a 75k Big Maxx and the instructions say to install the horizontal venting at 1/4 rise per foot. Shouldn't this be a 1/4 drop terminating outside vs. a rise?

 

[dipper]

no it's 1/4" per foot rise. read the instructions. There's even a picture that shows it.

 

[blairtruck]

i was wondering the same thing. wouldn't moisture be able to run into the machine?

 

[Junkman]

i was wondering the same thing. wouldn't moisture be able to run into the machine?

This is the exact reason for running the exhaust back into the system. The heated air will cause any moisture to evaporate. I also believe that it is needed for proper venting, since heat rises.

 

[scokat916]

I was confused when I first read the instructions because the reznor instructions has the horizontal venting sloping downward. I did install it sloping upward.

Now just waiting for the gas line to be installed and I'm in business.

 

[riskyvt]

Scokat-

You're gonna love this heater....I've got a pair in my 74x30 workshop and they work great.

 

[scokat916]

I can't wait. Working in 57 degress this past weekend, but supposed to be cold all week here in Wisconsin. Gas line get's installed Friday.