X-No-Archive: Yes I've replaced the line-voltage thermostat with a new programmable one (Honeywell LineVolt Pro 8000). During installation, I discovered that I did not have enough wires coming from the wall to match the four wires coming from the thermostat (L1, L2, and two Load wires). I therefore did not connect one of the Load wires. (See diagram at
Thanks,
Doc