Either coil the copper pipe or lay the pvc pipe back and forth on the plywood.
Copper pipe solar pool heater.
At the time it seemed interesting but not as good as some of the other options for building collectors.
But the main reason that it s not used in pool plumbing is cost.
We don t recommend using compression fittings with rubber joints in solar application since it contains plastic that cannot sustain high temperatures.
Comparing the performance of two diy solar water heating collectors cpvc vs copper sometime back i had a brief go at a solar water heating collector made from cpvc with aluminum fins.
Start with the actual collector.
Copper is biostatic naturally killing bacteria.
Copper pipe and fittings are around 10x more expensive than pvc.
Mount them to the board using either adhesive or pipe mounts.
Black pvc pipe works but copper pipe painted black works even better.
Sun ray solar panels are heat exchangers specifically engineered to absorb solar energy.
Pressure and temperature ratings of copper pipes welded fittings type k l m are much higher than 80 psi and 250 f.
There are only a few important parts.
Sun ray s metallic pool panels are superior in heat conductivity heat transfer and durability.
A solar assisted pool heater is very easy to construct and use.
It is not just a black plastic or rubber garden hose.