Replacing or annealing copper washer

[pheran]

As to replace or re-use, that depends on how far you have to swim to get to get replacement (a decent motor factor). If you don't have to swim then replace it - cost is peanuts. You will only find out if it's leaking when you fill the tank with diesel.

Absolutely. Don't really understand the debate. Unless you are stuck in the middle of the ocean, trying to make emergency repairs, just get a new one. Probably costs less than the energy required to heat up the old one. Sheeezz!

 

[itsmeagain]

Hot tip ( forgive pun ) I discovered, don't grasp it in pliers or the like as they'll act as a heat sink. Hang it from a big nail and grasp that, the heat stays on the washer.

 

[LittleSister]

The mysterious resurgence of this thread after four years belatedly reminds me (as OP) to thank you all for your informative and entertaining advice.

And just in case you have been holding your breath all this time, the tank didn't leak!