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Reviews (2)
Oct 04, 2021
Great for coils
Enamel coating is tough..great for winding coils.
May 19, 2020
SunHeater panels are more freeze resistant than FAFCO panels but have less BTU's per sq. ft.
1 of 1 found this helpful The SunHeater panels are easier to install than the FAFCO panels that I had before because you don't need a long return line/pipe from the other end of the panel since the water is circulated up and back in the panel itself. Also, the water channels inside the SunHeater panels are larger and more resistant to any freezing of water which can happen if you don't completely blow out the panel during winter.
The FAFCO panels have very small water channels and I have had them leak even though I thought they were completely emptied for winter. I think this is due to possibly sand or build up of residues in the panel and since the channels are so small in the FAFCO panels, then it's very hard to eliminate all water therefore it freezes, expands, blows out the channel, and leaks.
The negatives of the SunHeater panels is that they don't provide as much heating BTU's as the FAFCO panels. I can feel the difference in the temperature of the return line even after adjusting so they have the same flow rates. I believe this is because the FAFCO panels have more water channels, and therefore more surface area in contact with the sun than the SunHeater panels.
The SunHeater panels are generally superior because you don't have to replace them every few years due to leaks from freezing. Not only do you save money, you also save the time of reinstalling new ones but you get less heating per panel. A good tradeoff IMO.