Pro/Forums - View Single Post - Heater core, brass on the inside or copper? Proof!

Cathar · 05-31-2003, 01:00 AM

Yeah, brass barbs will "blacken" in an all-copper system. No harm though. It's just a surface oxide layer of some kind and it doesn't seem to get any worse.

05-31-2003, 01:00 AM	#18
Cathar Thermophile Join Date: Sep 2002 Location: Melbourne, Australia Posts: 2,538	Yeah, brass barbs will "blacken" in an all-copper system. No harm though. It's just a surface oxide layer of some kind and it doesn't seem to get any worse.