The Waltham Fire Department is welcoming local families to a free Open House on Sunday, Oct 13, from 12 to 3 p.m. at the Moody Street Station, at 533 Moody Street. The Open House teaches families the best fire and life safety practices. Visitors will be able to tour the Moody St. Station apparatus floor, see some of the vehicles and equipment and meet some of the Department’s firefighters.