Description
The Reznor 121865 Hot Surface Ignitor is an authentic OEM replacement part designed to restore reliable ignition performance in compatible Reznor commercial and industrial HVAC equipment. This hot surface igniter provides the heated element necessary to ignite the gas‑air mixture in gas‑fired heaters and makeup air units, promoting efficient combustion and dependable system startups.
Key Features
- Genuine Reznor OEM Hot Surface Ignitor engineered for direct replacement and long‑lasting performance.
- Designed specifically for gas‑fired HVAC units requiring a hot surface ignition element.
- Promotes consistent burner ignition for improved system efficiency and reduced downtime.
- Durable construction built to withstand repeated heating cycles.
- Easy installation helps technicians restore heating performance quickly.






