Tools you will need:
1/4" wrench (socket)
Phillips screwdriver (med)

1.) The WH16 thermostat is located behind the rectangular electrical panel.

2.) Lift retaining tabs while sliding the thermostat upwards to remove the part.

Cut the two input wires
(supply).

Remove wires from the heating element (2 Phillips head screws).

Reconnect new part in reverse order.