2ND CLEAN AND CHECK FOR 3YR HEATING UNIT PER SERVICE AGREEMENT. CHECK THERMOSTAT, AIR FILTER, HEAT EXCHANGER, HIGH LIMIT CONTROL, HUMIDIFIER, FAN CONTROL, GAS PRESSURE, ENERGY CONSUMPTION, AND ALL ELECTRICAL CONNECTIONS. ADJUST BLOWER COMPONENTS, AND LUBRICATE ALL NECESSARY MOVING PARTS. CLEAN AND CHECK BURNERS AND BURNER OPERATION. REPLACED FAULTY INGNITION BOARD UNDER WARRANTY. RENEWED SERVICE AGREEMENT.