Whirlpool Replacement Knob Valve For Range is compatible with Jenn-Air, Kenmore. This knob is black in color and is made of plastic. Surface burner knob WPY704918 lets you control the heat of the surface burner on the range. Replace part numbers Y704918, 7-4918, 704918, PS11757579, B003N5CUU2, B001DPPYKC.