Importance

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Abstract

A boiler apparatus having a combustion chamber, a container for receiving liquid to be heated, a flue, and tubes passing through the container to join the combustion chamber and flue includes a tube cleaning system comprising outer edges of turbulators that are in contact with the respective inner tube surface, a horizontally extending shaft over the tubes, and pivotal connections by which the downwardly depending turbulators are connected to the shaft. The shaft defines an axis about which it is pivotal, where by pivoting of the shaft the turbulators are moved relative to the tubes in vertical longitudinal sliding movement from an operating position to a raised position and back thereto so as to generate a cleaning action against the inner tube surface. Each turbulator is removably attached to the shaft independently of the other allowing each to be removed for cleaning without disassembling a remainder of the tube cleaning system.

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First Claim