DHW rebuild / insulation [RE-wrenches]

[Todd Cory, Mt. Shasta Energy Services]

Commercially made flat plate connectors use foil faced rigid foam behind the
copper. If the panel does not stagnate, I could not imagine it melting. It is
good for insulating wet or dry and hard to think of something better for this
application.

Todd


"Kirk Herander, VSE" wrote:

> Group,
> I'm in the middle of replacing a bunch of leaking flat plate collectors.
> They were built into the window bays of a pool house / sunroom, creating a
> homebrew framed collector. In taking them apart, the original installer 20+
> years used rigid foam insulation, foiled on both sides underneath the flat
> plates and it partially melted down from the heat. What's a more appropriate
> insulation to use when I rebuild using new flat plates?
>
> Thanks, Kirk

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