Component Longevity? Just wondering what ( no specific brand ) the life of Motors : Auger/Combustion/ Convection / P.O F switch/vacuum Switch/Motherboard (brain) / Overheat Switch / & Gaskets My stove installed new on: ( 11.23.05 ) My first replacement combustion motor was installed ( 6.03.09 ) First convection motor ( 1.14.10 ) First P.O.F snap disc assembly ( 10.14.12 )