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Ryland · 09-16-09, 10:38 PM

what kind of frames do they have? what size are they?
the glass is valuable because it's anti reflective and low iron so more light passes to the collector, if you can I would solder unions on to the fittings and use those to pressure test them, then use those same unions to connect them together, if they leak air at 50psi it will drop fast, so if they hold pressure for an hour you are good!
My parents have a pile of old wood framed collectors, maybe 12 or 15 that I need to get the local solar hot water company to build me some aluminum frames for as the wood is rotting away.

09-16-09, 10:38 PM	#3
Ryland Master EcoRenovator Join Date: Mar 2009 Location: Western Wisconsin. Posts: 913 Thanks: 127 Thanked 82 Times in 71 Posts	what kind of frames do they have? what size are they? the glass is valuable because it's anti reflective and low iron so more light passes to the collector, if you can I would solder unions on to the fittings and use those to pressure test them, then use those same unions to connect them together, if they leak air at 50psi it will drop fast, so if they hold pressure for an hour you are good! My parents have a pile of old wood framed collectors, maybe 12 or 15 that I need to get the local solar hot water company to build me some aluminum frames for as the wood is rotting away.