Pole mounted Heated Bird Bath is 60 watt thermostatically controlled. Some icing on the surface of the water is normal when temperatures are this low, especially if there is a breeze.
Your birdbath is not defective if ice begins to form around the rim.
Heated Bird Bath dish is 14” in diameter. It nests in a pole mount gray granite ring. 33” in ground height. The two piece pole is self-nesting and it comes with a One year warranty! The thermostat and heating element are manufactured off shore. All other Heated Bird Bath components including the flame retardant black dish, insulation and the metal ring are made in the USA.
*GUARANTEED to provide your birds with water down to -20º degrees Fahrenheit!*