11:19AM | 01/02/10
Member Since: 10/22/07
2 lifetime posts
I have a vacation home with a direct vent forced air heating system.

The furnace has gone off a number of times, and the heating contractor has told me that

1)I have to read the code (blinking lights that tell him what the problem is)

but that 2)He is pretty sure it is the wind causing a pressure switch to shut the unit off which he says is a problem in direct vent type systems.

I will get the code, but is what he says accurate? I was thinking i would put a little snow fence around the vent to prevent the wind from getting in to the system. It starts right back up with a power reset.


05:15AM | 01/03/10
Member Since: 10/22/07
2 lifetime posts
In our case, the exhaust and supply are only a couple of feet apart.

This never happened until this year, and it has occurred three times already this winter. I did add central air this past summer. Could that change things in the winter?

The only reason I was thinking about a fence of some kind is because the vent wall faces WEST and even though there are some trees, the wind comes from that direction predominantly.

The fence I was thinking about is more like a 5 X 5 foot solid wall of fence right in front of the exhaust.

Is that a bad idea?


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