As mentioned in yesterday's blog, "Hot water vs. cold water pressure washer,"
our coil actually forms the combustion chamber with no troublesome insulation, and no hot chambers.
When incoming cold water flows through the cold water wrap, it picks up heat as the coil forms the wall. The water is preheated 40 degrees to 80 degrees prior to the heating portion of the coil. This provides greater fuel efficiency, less fuel used, and less operating costs. The even spirals allow better air flow which in turn provides better combustion and greater fuel effeciency.