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- #291
Quote: the wafer is your thermostat and it turns the lights on and off to regulate the heat.
its basically a controlled switch (controlled by temps) sending electric to your lights turning them on and off, another words when temps are too low it will send electric to lights to heat and shut off electric when it hits the set temperature, and temp is set with that wafer control arm (looks like a alan wrench, L shape) trying to put into terms and things you understand.