So, I just picked up seven HC-40 (IIRC. 4'x10.5') panels for a song (friend of a friend just bought a house and didn't like them. Had them tested by a local installer, who said they're in great shape with no leaks). They came with the connection clamps, but it looks like I'm going to need to pick up gaskets and fittings for connecting to PVC.
Regarding mounting, they came with the mounting sleds rather than gator clamps. The sleds basically clip onto a z-bar that you mount to the roof, allowing for a bit of expansion. It sounds like this is how they used to be installed, and Heliocol just does gator clamps these days.
Should the mounting sleds be okay, or should I buy some gator clamps instead? I'd much rather stick with the mounting sleds if they aren't going to be awful, since... well, the gator clamps are like, $20+ per set.
I think I mostly understand the rest of the installation process. It seems pretty straightforward, and I've got the Heliocol installation manual printed and sitting on my desk right now. I'm looking into how/where to plumb it into my existing plumbing. We currently have a valve that turns on/off a water feature. I'm not entirely sure how to plumb with/around that valve, though, and would welcome any advice.
Here's a photo of our setup, conveniently labeled by our (otherwise kind of awful) PB:
Thanks for any advice! You folks are pretty great.