The grates and grate holders are always available for these units.
My top baffle is warped and I am going to have some steel formed and make a new one, stronger than the original. I also had a call this winter from someone who needed one. Are there any owners out there with wood/coal boilers or furnaces who would need such a baffle? I can have extras made at the same time.
I don't know if I can convince the metal shop to produce spares without an actual demand.