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Wanna bet? Jacuzzi and Sundance (I can't speak to hotspring) have on their circuit board a "summer mode." Because the heat within your component bay is SO hot, the circulation pump automaticaly shuts down. They claim that this is so that the circ pump doesn't transfer heat into the water making it hard to keep the temp down. Well if that little 1/20th HP motor can create enough heat to over heat the water, imagine how hot it is in the equipment area!
You're not quite right on this one, Frank. The summer timer, which HS also has, IS, in fact, to keep the tub from overheating in extra hot weather. And it IS, in fact, because the tubs are so well insulated that even a tiny amount of heat from the circ pump will add up over time and push the water temp up.As to the temp in the motor compartment - I'll speak for HotSpring spas here - the compartment stays warm, but not hot during heating. The compartment is insulated top, bottom, and all sides except for the door. If you live in ice, you can get a kit to insulate the door. When the jet pumps kick in, air is drawn in through a vent at the bottom of the door, through the motors, and ducted out to the enviornment. On it's way, it passes a tap for the jet air system, and as much hot air is fed to the jets as you choose - to recycle the heat from the motors and still keep the temp in the motor compartment under control.Keeps the motor compartment temp under control, adds life to the motors, recycles the heat from the jet pump motors into the water, AND quiets the motors down because of the shroud on each one.
Like I said Chaz, "I can't speak to HotSpring." There is no such "shroud" in the Jacuzzi Sundance product. Nor is there any venting system that would expell hot air while drawing in the cool air. Now they do have some funky looking short slats on the front cabinet with 2 half oval cut outs in the abs base where the skirt is attached about 1/4 inch wide and 4 inces long each. Maybe thats their idea on cooling their pumps. Maybe nothing, I know it is. Then again I's jist an ijit from Ineanna.
Good point. Now you went and got me curious. I think I'll do a temperature check expriment this weekend, and see exactly how warm it gets in there.Brewman
Gotcha. Thanks.How hot is it in Indiana these days?