Patent ID: 7489986

Claim:
A spa control system, comprising: A) a heating module suitable for heating water; B) at least one water pump suitable for pumping water through said heating module; C) a spa controller adapted for controlling said heating module and said water pump at least in part on the basis of software installed on said spa controller; D) an interface signal converter in communication with said spa controller, said interface signal converter being operative for: establishing a communications link with a remote computer; receiving communication signals conveying software components over the communications link, said software components comprising updates to software already installed on said spa controller; communicating said software components to said spa controller for updating the software installed on said spa controller; wherein said interface signal converter converts communication signals received from the remote computer via said communications link and directs the converted signals to said spa controller, and wherein said interface signal converter converts signals from said spa controller to be communicated to the remote computer via said communications link.