deb1797
Nov 15, 2010, 07:48 PM
I have a very old house and the two wires to my thermostat are white and black. I hooked the white to W and the black to R. I got heat, but the heat did not turn off and continued to run even after the temperature far exceeded what the thermostat was set at. Could it be that the I attached the wrong wires to the W and the R. Thank you.