For models with grill & bake functions on the selector switch. Does not suit 1U or 2U series which commonly use a rocker switch.
Suits:
Simpson Mercury, Simpson Colombo, Simpson Neptune
Westinghouse Mercury, Westinghouse Colombo, Westinghouse Neptune
3U600W 3U601W 3U602W
4U600W 4U601W 4U602W
