[Techno Duck]

Originally Posted by RNajarian

All the parts have arrived to upgrade my trombone cooler to a fender mounted Carrera Style cooler. I can’t think of a better way to spend the 4th!

I will be putting a 14mm x 1.5 sensor in the back port. Should I use a washer? If so what type? Crush? Fiber?

Thanks for your help

Copper or aluminum crush washer.