hi all, have Dunkirk boiler with radiator heat in our house, when i turn the thermostat on, the auto flue rotates to 'open' but the burners don't fire up; the usual progression is:
turn on thermostat flue rotates to open
5-10 seconds later unit startshave not touched any wiring or anything, and have tried a different thermostat with the same results. cound the gas control unit have gone bad???
any input appreciated pax, h2