The AllPoints Foodservice Parts & Supplies 8011540 is an electronic timer designed specifically for defrosting M-179 glass chillers. Operating at 120V and 60Hz, this timer offers a maximum duration of 6 hours and 25 minutes, ensuring precise control over defrost cycles. Its reliable performance enhances the efficiency of your refrigeration system, helping to maintain optimal temperatures and food quality. Ideal for commercial kitchens, this timer is a crucial component for effective foodservice operations.