F221857 Heater Electrode Kit for Mr. Heater & HeatStar

The F221857 Electrode Spark Plug Kit serves as a reliable replacement component designed for Mr. Heater and HeatStar brand kerosene forced air heaters. Engineered to support units ranging from 50,000 BTU to 210,000 BTU, this assembly is specifically intended for models manufactured from 2005 onwards. It provides a direct substitute for part numbers 21819 and 22144, ensuring that your heating equipment remains functional and efficient during colder periods. The kit includes one F221857 heater electrode spark plug, which has been meticulously tested to meet quality standards before distribution.

Compatibility is extensive, covering a wide range of MH series models including the MH50K, MH75KT, MH125KT, MH175KT, and MH210KT variants. Whether your heater is kerosene or diesel-fired, this component is designed to integrate seamlessly with units produced after 2005. The assembly process is straightforward, allowing for an efficient installation that typically takes only a few minutes to complete. By choosing this replacement part, you can restore the ignition performance of your forced air heater with a component that matches the specifications required for these specific production years and serial number ranges.

To ensure optimal performance, each unit undergoes rigorous factory testing to verify its operational integrity. This commitment to quality ensures that the electrode spark plug performs reliably once installed. The kit is compatible with a comprehensive list of serial numbers spanning from 2005 through the 2011-2012 production cycles, covering various LN and standard model configurations. When maintaining your heating equipment, this kit offers a precise fit for the listed models, helping to organise your maintenance tasks effectively and ensuring your equipment continues to operate as intended.