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Re: blower resistor keeps failing
Posted to HVAC Forum on 1/8/2019 2 Replies

If the blower motor is drawing excessive (= more than designed) current, then voltage drop across the resistor will increase and power dissipated (I squared x R) will be greater and it will burn out faster.

Or maybe the resistor is just underdesigned.

Or m... Login to read more.

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