SECOND CLEAN AND CHECK UNDER SERVICE AGREEMENT FOR 10YR HEATING UNIT. CHECK THERMOSTAT, AIR FILTER, HEAT EXCHANGER, HIGH LIMIT, AIRFLOW, HUMIDIFIER, ENERGY CONSUMPTION, AND ALL ELECTRICAL CONNECTION. CLEAN AND CHECK BURNERS AND BURNER OPERATION. CHECK MANIFOLD GAS PRESSURE AND FOR PROPER VENTING. LUBRICATE ALL NECESSARY MOVING PARTS, AND ADJUST BLOWER CONNECTIONS. RENEWED SERVICE AGREEMENT.