Features: This furnaces limit switches replacement provides critical overheating defense by automatically shutting down the furnaces when temperatures safe levels, ensuring compatibility with models like C340056P04, L190 30F, and SWT01259 for stable safety in heating systems. Crafted from strong silver , it features high sensitivity for precise temperature detection, erosion resistance, and robust construction to withstand temperatures up to 190°F, delivering long lasting performances. Ideal for homeowners, HVAC technicians, and enthusiasts seeking a dependable furnaces fan limit switches to protect residential heating equipment and prevent potential hazards. Perfect for use in homes furnaces setups, this switches monitors temperature in real time and quickly disconnects power to avoid fire risks, damage, and maintain efficient heat retention during operate . Its plugs and play design ensures easy installation, reducing downtime while offering consistent reliability as a high temperature safety switches in various heating applications for peace . Specifications: Component : Silver Part number: C340056P04 Size: about 1.85x2.83x2.87inch Package Includes: 1xLimit switches note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.