Smeg microwave oven waveguide cover – 108mm x 73mm – 71X9921
Mica waveguide cover for some Smeg microwave ovens.
Part number: 71X9921, ASW.352486, 75101598
If your microwave is arcing or sparking during cooking, it may be that the waveguide cover is damaged. This metallic type material, which is a blend of mica and is invisible to microwaves, it covers the aperture that the microwaves pass through to get into the oven cavity.
When old, damp or contaminated the mica can react to microwaves by arcing.
Dimensions: 108 mm x 73 mm
Suitable for some Smeg models including:
Smeg S32, Smeg S32EB, SMEG S42, Smeg S42EB, Smeg S43EB, Smeg S47EB, Smeg WI32, Smeg WI32EB, Smeg W142, Smeg W142GB, Smeg W143EB.
