Sale! Add to cart Grain Temp Guard – Alarm HT $499.00 $450.00 IN-SEASON SALE! Simple and Reliable The Grain Temp Guard® is a grain monitoring system that helps you ensure your hard work doesn’t go to waste. The Dual Temp (DT) probes and alarm system will help you efficiently monitor hot spots throughout your bins. Modular add-ons, including an EndZone – humidity-temperiture, fan control system, and Heat Seeker ($999.00), hot-spot fan control, (available for orders, give us a call)! 30 day money back satisfaction guarantee. Ask for details.