70-020-0101 1/2" thick Ring ProTemp Pinnacle Kerosene Forced Air Heaters
Used on Models: ProTemp 45KFA, 80TKFA, 140TKFA. The 70-020-0101 is the 1/2" thick steel ring used on 75-175kBTU low-pressure oil fired heaters made by Pinnacle. These rings rarely go bad. Before replacing it, try turning it 180 degrees.