• BioSmart Technologies, LLC BBB Business Review
  • Our new Infrared Electric Blankets have arrived!
    Learn more or find them in our shop.
  • Our two BioSmart® Heaters have proven to be a large help in cutting heating costs here in South Missouri. These two heaters have never given us any trouble, which we can’t say about other brands.
    Morrison Lumber & Hardware - West Plains, MISSOURI
  • Switch-High-Limit-140-Front.jpg

140 High Limit Switch

$9.95