A breakthrough in solar thermal technology, the Butler heat dump provides foolproof insurance against overheating of the solar thermal system. This unit, which sits behind the solar collector, allows for the expansion of the heat transfer fluid, in turn elminating any issues associated with overheating.

As the heat transfer fluid flows into the heat dump's reservoir, it passes through a piece os finned aluminum, where excess heat is radiated into the surrounding air. Because this unit requires no power to operate controls or pumps, it protects the system under any circumstances. |