Heater features stranded resistance copper/nickel alloy wire heating element for longest life, not cheaper etched aluminum foil like other heaters.
Solid State temperature control maintains waterbed accurate water temperature.
Over-limit switch prevents overheating. For use with Hardside Waterbeds.
A hardside waterbed is the old-school waterbed that sits inside of a hard-sided wooden frame bed. This hardside heater can sit directly on the wood base that supports the vinyl water chamber.