minimax 400m heater thermopiles keep dying

Lily Volsung

New member
May 27, 2024
2
Utah
i have an old minimax 400m. it has zero electronics. the problem im having is that after installing a brand new and verified thermopile the heater will funtion fine for about a month and then the thermopile will either not put out enuf voltage or put out no voltage at all. does anyone know what temp the thermopile should be or not to exceed ?
 
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