Importance

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Abstract

An electrically heated fish tank unit includes a fish tank having a bottom standing on a frame having an upper surface with a central opening. A one piece flat electric heater disposed between the bottom of the tank and the frame includes a thermostatically controlled central resistance heating element abutting the bottom of the tank from below and surrounded by a peripheral portion devoid of the heating element and clamped between the bottom of the tank and the frame. The surface of the heater abutting the tank may be decorative so as to be visible through the tank wall, while the opposite surface is covered by thermal insulation to prevent heat dissipation away from the tank. An indicator light and thermometer may be provided to indicate the operation of the heater and temperature of the tank.

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First Claim