broadaxe
Nov 24, 2014, 03:07 PM
What's causing a high carbon monoxide reading at my gas wall heater? Reading is 295 ppm.
bitters
Nov 24, 2014, 04:15 PM
You must have a venting problem. Call a Pro ASAP.
ma0641
Nov 24, 2014, 05:01 PM
Blocked flue or cracked heat exchanger. That is a high level, keep a window open and get professional help ASAP.
Grady White
Nov 24, 2014, 05:34 PM
Dirty burners can cause high CO readings. Call a local professional NOW.