I ordered parts for my electric smoker and they came promptly. The parts even had instructions on how to change them.
Switch for: all window models & wn30,hb3
6 position switch for: all window models & wn30,hb30w, m300/400/500 & mmb10
Buy this part and as many parts as you like and pay only $9.99 shipping, within the Contiguous United States.