Have you ever noticed your furnace failing right when you need it most? In many cases, the problem lies with the hot surface igniter (HSI), a small but critical component responsible for igniting gas and starting the heating cycle. At PartsHnC, we help you understand why igniters fail and how to prevent costly breakdowns. In modern gas furnaces, the hot surface igniter is an electrical resistance device made from silicon carbide or silicon nitride. When powered, it heats up to extremely high temperatures, glowing bright orange to ignite the gas and produce heat. Unlike traditional furnaces with standing pilot lights, modern systems use igniters only when needed, making them more energy-efficient. However, this efficiency comes with wear and tear, and most igniters last between five and ten years depending on usage and material quality. Several factors contribute to premature igniter failure. These components are highly fragile and can crack or break with minimal physical stress. https://www.partshnc.com/ is your trusted source to shop HVAC parts in the USA. We offer a wide selection of Air Conditioner Parts, HVAC Furnace Parts, Heat Pump Parts, Ventilation Parts, and HVAC Controls to keep your systems running smoothly. *Get top-quality parts, fast shipping, and expert support*—all in one place! Follow us: Facebook: https://www.facebook.com/PartsHnC/ Twitter: https://twitter.com/PartsHnC/ Instagram: https://www.instagram.com/PartsHnC/ LinkedIn: https://www.linkedin.com/company/PartsHnC/ Pinterest: https://www.pinterest.com/PartsHnC/ TikTok: https://www.tiktok.com/@partshnc Disclaimer: This Video is for informational purposes only and is not a substitute for professional advice. Always consult with a qualified expert before making any decisions. We are not responsible for any actions taken based on this information.
Top Reasons Why a Hot Surface Ignitor Keeps Failing (Part- 007400F) - PartsHnC
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