1ST MAINT. CHECK-UP PER SERVICE AGREEMENT FOR 10 YR HEATING UNIT. LUBRICATE ALL NECESSARY MOVING PARTS AND ADJUST BLOWR COMPONENTS. CHECK THERMOSTAT, AIR FILTER, AIRFLOW, FAN CONTROL, HIGH LIMIT CONTROL, HEAT EXCHANGER, ENERGY CONSUMPTION, AND ALL ELECTRICAL CONNECTIONS. CLEAN AND CHECK BURNERS AND BURNER OPERATION. CHECK MANIFOLD GAS PRESSURE AND FOR PROPER VENTING. EVERYTHING IS RUNNING GREAT.