The parts are genuine Otto product.
Electromechanical Switch Large Trim Switch N.O. SPST 0.25A
DIMENSIONS: 1.8140H X 0.9380D, WEIGHT: 0.848OZ.
Factory New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller’s listing for full details.