$119.95 Furnace Tuneup. “Furnace†T-Stat, 78 Ohms HSI, Flame Sensor, 90% Inducer, Electrical, 3.5†W.C. Gas Valve, Drain Trap, #201Sg, Blower Motor, 33* Outside, “Humidifier†Hum-Stat, Fan Power, Water Valve, Electical, Solenoid, Cycled Unit , Clean And Check.