Club Furnace And Humidifier Tuneup. Replace #318518-761Wp & Solenoid Valve, “Furnace†T-Stat, 51 Ohms H.S.I. Flame Sensor, 80% Inducer, Electrical, 3.5†W.C. Gas Valve, Burner, #16x25x1 Air Filter, 43* & Rain Outside, “Humidifier†Hum-Stat, Bypass Damper Open, Electrical, Drainline, Cycled Unit Clean And Check.