In Cave Creek, near East Coyote Washington Drive and North Black Mountain Parkway performing Fall preventative maintenance on an Amana furnace. Upon arrival, checked flame sensor. Checked gas line and flue piping; both are sealed and proper. Cycled system on into heating mode. Checked burners and ignitor. Checked volt and amp draws. Checked back pressure, safety switch, safety shut down working properly. Changed return air filter and checked splits. System is running within manufacturer specifications upon departure.
