Replacing an unmarked 2 wire round thermostat with digital [Archive]

coshap

Oct 28, 2008, 05:41 AM

Replacing an unmarked 2 wire round thermostat with digital thermostat Honeywell RTH6300B. I don't know where to connect the wires. Heat only

hvac1000

Oct 28, 2008, 10:42 AM

R and W are the heat wires.