Thermal Guardian® Quantum Hardside Waterbed Heater

Thermal Guardian® – meticulous construction, innovative technology, proven reliability and unequalled safety! Thermal Guardian® heaters feature – accurate temperature readings and adjustments, energy efficient designs, 5 year limited warranty and is the only heater still produced in North America!


  • Hardside waterbed heater: Full Watt (300 Watt).
  • Thermal Guardian® features the industries safest heater pad and control design!
  • Approximately 32 individual comfort settings.
  • Solid state control with light.
  • Fully encased thermostat.
  • Independently replaceable heater pad and control.
  • Let’s your mattress and liner go the distance with even heat distribution.
  • Greater accuracy and longer lasting construction than competitors.
  • High-tech analog readout in degrees fahrenheit.
  • We have the longest warranties in the business.
  • High-tech modular design.
  • Senses temperature with sophisticated computer chip.
  • State-of-the-art Ultra sensitive electronic control that holds the temperature to + or – 1/8 degree of set point. Insures consistent and accurate temperature sensing and readout.
  • 5 Year Limited Warranty.
  • US and European Models Available.

Thermal Guardian® Hardside Heater Assembly Video



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