The warranty isn't void. The tech just didn't want to do the work. We have guys on our crew that do that all the time. Then I get sent out to fix the dryer and tell the costumer that they can't use it until a proper vent is installed. The manufacturer is not responsible for vents and power cords. And is not responsible if a dryer catches fire from using an improper vent. If the plastic vent was the cause of the element failure, then the warranty is void for that particular failure.
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