Your Blue Flame doesn't have online owners manuals available and for a good reason, they don't want you discover that a ventilation is required for installation!!!
It does not matter if you open windows to vent an appliance or direct vent the appliance as there truley one in the same thing.
One advantage a direct vent appliance has is that it controls the correct amount of required ventilation while in operation.
A non-vent appliance requires the operator to open widows that may or may not add the correct amount of ventilation. Most likely they will be under vented.
A direct Blue Flame website quote:
********************************************** Use with adequate air (ventilation) only. Humidifies while it heats. ***********************************************
Naturally they alude to the specifications of what the heater demands of adequate ventilation.
You know JD, I use to have repect for your posts but I no longer do.
You don't have the balls to make a statement of calling a man a liar to there face but you didn't have a problem one in the other post on this topic that you made, then when your asked to back it up, then you can't back it up.
You've posted nothing that backs up what you've stated, just all hot air. Geez it must be that true Blue Flame direct vent free heater combustion-by products talking. LMAO.
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Today's Featured Article - An Old-Time Tractor Demonstration - by Kim Pratt. Sam was born in rural Kansas in 1926. His dad was a hard-working farmer and the children worked hard everyday to help ends meet. In the rural area he grew up in, the highlight of the week was Saturday when many people took a break from their work to go to town. It was on one such Saturday in the early 1940's when Sam was 16 years old that he ended up in Dennison, Kansas to watch a demonstration of a new tractor being put on by a local dealer. It was an Allis-Chalmers tractor dealership,
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