Originally Posted by cooperMan
Surely the path of conductivity can also be the coolant water + antifreeze which has intimate contact with everything we're concerned about corroding, I once wondered about adding some Fernox as I've found this very effective in stopping internal corrosion in multi metal central heating systems

Yes, but as I understand it, the coolant is the path which will conduct current from anode to cathode, but for actual current to flow, (and corrosion to take place) we need a complete circuit and that’s where the metallic return path comes in, to complete the circuit to allow current to flow from cathode back to anode.
So, I don't think we need to worry too much but looking at Rog’s experiences from the past, conclude that for peace of mind an aluminium tee might be the best choice, at least to get a good night’s sleep.

Last edited by Deejay; 15/02/24 09:10 PM. Reason: syntax
Doug
2011 Plus 4 in Rich Maroon

1972 750 “ComDom” sprinter
1958 Triton 650
1992 Triumph Trophy 900