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Old 02-13-2018, 09:15 AM   #2
dcg9381
Senior Member
 
Join Date: Jul 2015
Location: Texarkana, TX
Posts: 1,052
How big of a system are you installing?

For simple "battery maintainer" systems - many indications of actually connecting into the bathroom vent fans - sometimes you can get to the battery without doing a new roof penetration. Better to penetrate the vent.

For "real" solar installations where there is not a penetration - and I don't think that Keystones setup for this on the roof, the few non-Keystone units I've seen with solar options have a plug-in on the side, not the roof... Here's how I would go about doing the roof penetration:

https://www.amazon.com/dp/B0111RNZDY...V4TRU72P&psc=1
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