Spa heater system and methods for controlling

Details Spa heater system and methods for controlling Spa heater system and methods for controlling

2007-06-26

2007-06-26

Paik, Sang Y. (Department: 3742)

Electric resistance heating devices

Heating devices

Fluid-in-circuit type heater

C219S492000

Reexamination Certificate

active

11002962

ABSTRACT:
A spa system comprises an electrically powered heater. The electrically powered heater comprises a heating element capable of drawing a rated current when switched on to an AC line voltage. An electronic control system is programmed to control the heating element to draw less than the rated current.

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