REMOVING THE HEATER
1. Turn off the gas to the dryer and disconnect the electrical power.
2. Remove the two hex-head screws from the bottom flange of the toe panel.
Pull the panel out at the bottom, pull down, and remove the panel.
3. Remove the hex-head screw from the heater shield and remove the shield.
4. To remove the heater:
a ) Remove the two wires from the terminal block.
b ) Remove the hex-head screw from the heater housing, and slide the heater out of the duct.
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Source: Whirlpool Duet Sport Dryer WED8300SW1