Want to run Furnace fan on continuous

[Rockycmt]

I have a Hot air oil furnace. 2 wire thermostat. I have a few wood burning sources in the house. But I want to use the furnace fan to just circulate the air to spread the heat throughout the house. I typically never need the oil burner to go on even in sub 0. Some bedrooms do not get the heat from the other sources. If I can run the furnace fan through the night then the whole house will equalize. I sometimes cycle the heat for several min to build temp on the furnace just to run the fan for a few minutes. The Fan currently goes on when the firebox gets to temp. Is there a way I can bypass that with another power source?

Thoughts?

 

[Breplum]

If the furnace control board has a "G" terminal, then you would just need to run wire to accomodate the G wire to a new stat with 'fan on' capabilities.

 

[Sponsor]

 

[John Gayewski]

Get a thermostat that has fan on/auto. Then turn it to on.

 

[Breplum]

Get a thermostat that has fan on/auto. Then turn it to on.

not on two wires

 

[LLigetfa]

not on two wires

OP just said he has a 2 wire thermostat, not 2 wires going to the stat.

 

[Fitter30]

Your fan control might look like this one. It may or may not have the white plastic knob sticking out of the cover. If it does just pull it to turn the fan on. Under the cover will either be three or four wires. One side is the fan the other is the limit don't turn the center round dial. One marked fan can follow the wires back put a switch across them.