Abstract: A shower fixture for installation between a shower nozzle and shower supply pipe comprising: a top lid member comprising an inlet pipe, an outlet pipe, wherein the top lid member is integrally formed; an insulated main tank member for containing water, the insulated main tank member having an opening, wherein the top lid member is shaped to form a watertight seal with the periphery of the opening in the insulated main tank member, wherein the inlet pipe leads to the bottom portion of the main tank member; an electrically heated hot plate cooperating at low voltage, and attached to the insulated main tank member.