FIRST 13 POINT MAINT. CHECK-UP PER SERVICE AGREEMENT FOR 3 YR HT UNIT. CHECK MANIFOLD GAS PRESSURE AND FOR PROPER VENTING. CLEAN AND CHECK BURNERS AND BURNER OPERATION. CHECK FAN CONTROL, HIGH LIMIT CONTROL, HEAT EXCHANGER, THERMOSTAT, AIR FILTER, AIRFLOW, ENERGY CONSUMPTION, AND ALL ELECTRICAL CONNECTIONS. LUBRICATE ALL NECESSARY MOVING PARTS AND ADJUST BLOWER COMPONENTS. EVERYTHING IS RUNNING GREAT.