https://www.mccoys.com/shop/p/7596695-052303-36/parts-central-fa1009-spark-plug
For use with DuraHeat kerosene portable forced air heaters and also fits similar Dyna Glo and DynaPro models.
Suitable for
120,000 to 170,000 Btu Models Dura Heat Kerosene Forced Air Heaters