How do the waterbed heaters work and are they safe?
The waterbed heater system uses a low wattage pad that is placed on the decking underneath the mattress and liner. A variable thermostat, controlling the on / off mode of the pad, constantly maintains the water temperature at your preselected setting. Yes. They are safe. They are double insulated and designed specifically to warm your waterbed. As with all electrical appliances, they must be used in accordance with the manufacturer’s instructions.
