SERVICE CALL, NO HEAT. CORRECTED TSTAT INSTALL. GAVE FREE SERVICE AGREEMENT. CHECK MANIFOLD GAS PRESSURE AND FOR PROPER VENTING. CLEAN AND CHECK BURNERS AND BURNER OPERATION. LUBRICATE ALL NECESSARY MOVING PARTS AND ADJUST BLOWER COMPONENTS. CHECK THERMOSTAT, FAN CONTROL, HIGH LIMIT CONTROL, HEAT EXCHANGER, AIR FILTER, AIRFLOW, ENERGY CONSUMPTION, AND ALL ELECTRICAL CONNECTIONS. EVERYTHING IS RUNNING GOOD.