Heat exchanger clogged.

[jstaff]

When the objective is to protect the HX I would err on the side of "good" (ie better) contact.

I can't think of any other anode on a boat that people would argue in favor of having ANY insulating material between it and what is to be protected.

[Pgnorthatlantic]

looks like I an in the same boat. I will use some of the cleaning methods described here and see how it goes.
if I open it up aND find I need gaskets, does Moyer Marine sell them?
thanks guys.

[zialater]

Lime - Away

I had my HX off a couple of years ago. It looked the same as yours. I soaked it in "lime-away" overnight and she came out looking brand new. I sail in the Chesapeake so your scale may be different.

Cheers

[hanleyclifford]

Anyone going to take a shot at my question in post #12?

[ndutton]

Anyone going to take a shot at my question in post #12?

http://www.mcpsltd.com/heatexchanger.html
If it's the exact metallurgy involved in a heat exchanger you're trying to scrutinize, I'd refer you to Sendure and see if they'll disclose such information. I'm sure you're aware Sendure provides pencil zinc ports on all their exchanger products. From a layman's point of view, ask them about copper tube bundle and case materials vs. bronze end caps, solder alloys and stainless fasteners.

Please report back with your findings.