Radco Xceltherm TLX System Cleaner is a most effective carbon and sludge removal product. Designed to clean in place, Xceltherm TLX is designed for addition to your system while out of service. Short cleaning times less than 10 hours will minimize costly system down time. Fluid change out down time expense is reduced to a minimum. Xceltherm TLX is compatible with all common materials of construction in hot oil heating systems.