This 16-piece time switch replacement trippers kit is compatible with 156T1978A for T100 series clock dial trippers timers. These trippers are designed to replace worn-out or damaged trippers in your existing time switch, ensuring accurate and reliable operation of your timer. The kit includes a variety of trippers in different shapes and sizes to accommodate various timer models. With this comprehensive kit, you can easily replace any faulty or missing trippers and keep your time switch functioning properly. Whether you need to control lighting, HVAC systems, or other electrical appliances, this replacement trippers kit provides a convenient solution to maintain the efficiency of your timer. Ensure proper installation by following the manufacturer's instructions for your specific timer model. Compatibility: Compatible with 156T1978A trippers for T100 series clock dial timers. Replacement Kit: Includes 16 replacement trippers to ensure proper functioning of your timer. Easy Installation: Designed for simple installation, allowing you to replace worn-out trippers effortlessly. Durable Construction: Made with high-quality materials for long-lasting performance. Versatile Application: Suitable for various T100 series clock dial timers.