I was removing the plastic drain plug on my raypak 406a heater and it broke off. I hate to admit it but I think I was tightening it instead of loosening it. What can I do?
Heat a screwdriver you don't value much red hot and force it into the plug. You may have to reheat several times. When things cool down, put the screwdriver in and unscrew it. Lefty loosey righty tighty unless the original was stamped L or there's a warning decal you ignored that said left hand threads. Clockwise tightens, counterclockwise loosens.
Failing that, break out a drill and see if any mechanic-type friends have a set of ez-outs.
Most drain plugs are 1/4" pipe thread. You can get one at any hardware store. I would suggest brass. Also, if the drain plug goes into a cast iron part, I would suggest coating the threads with a marine grease to prevent the threads from rusting. But, don't block the hole. Try a magnet near the hole to see if it sticks. If it does, the part is cast iron.
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