HVAC service and repair on Rheem variable speed two stage 96% furnace with econet. Replaced water sensing harness which was causing a no heat lockout. HVAC service and repair, installs, indoor air quality and more in Palatine, Wheeling, Rolling Meadows, Northbrook, Glenview, Buffalo Grove, Elgin, Hoffman Estates, Arlington Heights, Elk Grove Village, Des Plaines, Roselle, park Ridge, Lincolnshire, Inverness, Itasca, Schaumburg, Wood Dale, Glen Ellyn, Barrington, and more.