Where do I put my "R" wire when setting up the Nest 4th Gen thermostat?

[EPfromMA]

I have a heat only oil burner system that only has an "R" and a "W" wire.   Should I insert the "R" wire into the "Rc" or "Rh" slot for setup?

[GBD · Accepted solution]

You would use the Rh terminal

[GBD · Accepted solution]

You would use the Rh terminal

[EPfromMA · Accepted solution]

Thank you.