The Solar Spot 7 allows you and your family to use your Hot Tub without having to worry about the cost to heat the water.  With its unique Mixing Valve, the Solar Spot 7 can supply Hot Water at just the right temperature, not too hot and not too cold.  Just set the controller and forget about it until the next time you want to use it.  Forget about the cost of gas or electricity to heat the water, the Solar Spot 7 with its Zero Carbon Footprint will supply you with Hot Water for decades to come.