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I have a sterling tf-45 heater that i need a high limit switch for, they are discontinued. I know the specs but i need help finding a replacement. Its a 5" two prong with a 175 open 145 close... help please and thanks!
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Your best chances are with Sterling. Your furnace may not be made anymore however that limit switch could possibly still be used in other models. Otherwise you'll have to find a switch that's a close approximation in design to fit your mechanical space. The temperature limits should be easy to match.
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