Quoted from Johnnybee:Bally Star Trek rectifier board with a larger rectifier. It needed a heat sink so someone used a brass plumbing adapter![quoted image]
Quoted from pinballinreno:Waste of a good fitting...
An old door knob would have been a better choice.
Quoted from girloveswaffles:[quoted image]
Yes. The guy screwed up. It is obvious he does not know his metals He should have located chunk of aluminum and used that for the heat sink since aluminum is a better conductor of heat than brass.