Features: 1, High temperature resistance material of the head which can last longger life and temperature resistance over 2150°F. 2, Tested The Milivolt can be over 750mV For each Unit. 3, If your Valve cannot be open and without flame of main burner, you may need replace a thermopile cable. It need to be well heated on the Pilot, If off center of not heated on right place, thermopile cannot get the enough voltage to open the gas main valve as well. 4, Exact Parts Fits for the Rheem Brand Pilot Burner Assembly Kit Repair Model SP20824,SP20754,SP21058,SP20800,SP2105. 5, Compatible for Rheem,Ruud and Richmond Water Heaters. 6, Fits The AM46743 - Burner Assembly. Work for the Rheem (G.E.) SP20800,SP21059 Pilot Assembly and Fits The Rheem Brand Water H.