1ST13 POINT MAINTENANCE TUNE-UP PER SERVICE AGREEMENT FOR 8 YR HT UNIT. INSTALLED UV. MADE SURE WORK AREA WAS CLEAN AFTER INSTALLATION OF UV. CHECK THERMOSTAT, AIRFLOW, AIR FILTER, HEAT EXCHANGER, HIGH LIMIT CONTROL, FAN CONTROL, ENERGY CONSUMPTION, AND ALL ELECTRICAL CONNECTIONS. CHECK MANIFOLD GAS PRESSURE AND FOR PROPER VENTING. CLEAN AND CHECK BURNERS AND BURNER OPERATION. LUBRICATE ALL NECESSARY MOVING PARTS AND ADJUST BLOWER COMPONENTS. EVERYTHING IS RUNNING GREAT.