MISCELLANEOUS REPAIR system not coming on due to power vent not closing pressure switch. jumped out call for heat at furnace and furnace lit, after furnace heated up flue, power vent functioning normally. advised customer that pressure switch may be failing or power vent could be on its way toward failing. spoke to customer about the age of the system (manufactured in 2007) advised customer that 90+% furnace would not need power vent and would be more efficient. customer complained about noise of power vent. system operationql at this time
