Completed annual maintenance on a 2019 American Standard furnace. All electrical, mechanical and safety components of the system check out at this time. During testing of the unit the technician found no electrical protection device for the furnace. Technician presented options hb7a-e. Customer declined at this time. Technician replaced customer provided to 13 filter that was very dirty, as well as added condensate tabs to pump. Customer declined humidifier service today. No issues at time of departure