hi nixt's i hve been looking at the forum and see you may now what could be wrong with my wallstar , it keeps locking out the same as the other guys but was recently serviced and the nozzle changed ,photo cell working fine, burner settings seem to be ok to , it has however got alot of air in clear oil line aprox 3/4 inches long could this be a leak in the line pulling in air or related to the nrv as this was not changed ,it is doing it 5/6 times a day and i have plenty of oil in the tank. any ideas ?
