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Rice county, MN | If you have or can get a manometer and check the pressure differential and see if the switch in not making with the required pressure would tell you what direction this needs to go. Do not put a different switch with a different differential to bandaid over, the factory wants that differential for a reason you can make Carbon monoxide or have a rough light off doing that. My truck has a nice supply of pressure switches because they're so reliable. Good luck | |
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Any gas furnace experts
