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We have a rheem furnace we replaced the igniter but still getting no spark what else could them problem be the fan works but getting no spark or heat why


Answers :

Is it a true spark igniter or is it a hot surface igniter? You need to use a volt meter and call for heat. Check to see if you have voltage going to the igniter. If its a spark igniter and you are not getting a reading then it is the module that is the problem. If it is hot surface, then its the control board.

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