Upon arrival the technician spoke with the customer, the customer explained that he had a realtor inspector come out and inspect the house, because the house is being sold. The inspector stated that a few items need to be taken care of including the fact that the water heater on the left was not lighting. The air conditioning systems needed to be inspected and serviced, having the drain line blown out. As well as the back flow preventer’s on the hose bibs on either side of the house need to be repaired. the technician first checked the water heater ensuring that the water heater would light, after several unsuccessful attempts the water heater finally lit, the technician set the water heater to warm. The technician then inspected the backflow preventers, and found that both set screws are seized with rust as well as rust has made its way into the screwdriver channel. The Backflow preventer’s are seized to the hose bibs so the hose bibs and the back flow preventer‘s will need to