[RE-wrenches] Old Unirac Rails

[August Goers]

Hi Drake - We use the new style Unirac mids and ends frequently on older
Unirac SolarMount rails without an issue. I think the vast majority of
systems used SolarMount, but you'll want to verify that you have SolarMount
rail rather than something that is discontinued - I think for a while they
had a I-beam shaped rail and I have no idea if they make replacement parts
for those old rails.

They have a few variants of clamps now, we've had good luck with the Pro
Series SM Midclamps and Universal AF end clamps. I think both go up to at
least 46 mm, which is a little over 1.8."

Good luck!

August





On Tue, Nov 5, 2024 at 3:45 PM Drake Chamberlin via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> Will new Unirac hardware work with old rails?
>
> We are putting new modules on a building that was re-roofed. It doesn't
> seem worthwhile to reinstall an array of 167 W modules with extensive
> squirrel damage to the leads. The array went up at least 12 years ago.
>
> The old rails are fine, but we don't want to deal with Weeb clips, which
> are not supposed to be reused anyway. The old module frames are 1.8 inches
> thick so the clamps need to be replaced.
>
> Are the new rails functionally different from the old ones?
>
> Thank you,
>
> Drake
>
>
> *Drake Chamberlin*
>
> *Athens Electric LLC*
>
> *Ohio Electrical Contractor’s License 44810*
>
> *NABCEP Certified PV Installation Professional*
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