In Sun City, near West Andover Avenue and North 103rd Drive performing Fall preventative maintenance. Cycled system on into heating mode. Took temperature readings from supply and return. Checked volt and amp draws. Checked back pressure safety switch, safety shut down working properly. Checked indoor blower and inducer motor amps. Cleaned and adjusted burners. Removed and cleaned flame sensor and reinstalled. Checked flue and gas piping. Unit is running properly and within manufacturer specifications.
