In Glendale, near West Glendale Avneue and North 66th Avenue performing Fall preventative maintenance on an Amana split system. Checked gas line and flue piping; both sealed and proper. Removed and cleaned the flame sensor and re-installed. Cycled system on into heating mode. Checked burners and ignitor; both working. Checked back pressure safety switch, safety shut down; working properly. Checked volt and amp draws. Changed return air filter and checked splits. System is working within manufacturer specifications.
