• BioSmart Technologies, LLC BBB Business Review
  • Our new Infrared Electric Blankets have arrived!
    Learn more or find them in our shop.
  • My BioSmart® Heater has been a hit in my house. Finally been “comfy”, even with this cold, endless Chicago winter.
    Harvey Wolf - ILLINOIS
  • Switch-High-Limit-140-Front.jpg

140 High Limit Switch

$9.95