Spa construction and isolated controls therefor

Claim 1

In a spa construction for use by humans, a shell for containing water and having a well for receiving the feet of the user, a seat area adjacent the well upon which the user can sit and a side wall area against which the user can rest his back, a filter and heater housing, a filter and a heater disposed within the housing, means for establishing communication between the shell and the filter and heater housing so that water can flow from within the shell into the filter and heater housing, pump means for withdrawing water from the filter and heater housing and for introducing the same into the shell after the water has passed through the filter and control means carried by the shell having controls which are accessible to a user while the user is within the shell for controlling the operation of the heater and the pump means, said heater and said pump means being electrically operated through said control means, said controls of said control means being electrically isolated from the remainder of the control means, and being free of any conductive path connecting the controls to the remainder of the control means, said shell is formed of an insultating material and said electrically isolated switch means includes first and second actuatable switching elements with the first of said actuatable switchinw elements being positioned on the underside of the shell and wherein said controls include the second actuatable switching element located on the upper side of the shell generally opposite the first switching element for causing operation of said first switching element.