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28 July 2026
Back in the 1980’s this was state of the art technology. Even though it is not today it still does exactly what you need to do for a solar pool heating. It detects that the solar collector is hotter than the pool water and turns a diverter valve to flow the water to the collectors. All you need is sensors which you can buy on eBay. Make sure that this is what you are looking for. It will ship in the box as shown in the auction unless other arrangements are made but shipping will go up. As with all my auctions there are no returns.
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28 July 2026
MHPOWOS 100W Bifacial Portable Solar Panel. High-Performance Power Generation : The MHPOWOS 100W solar panel utilizes efficientMonocrystalline Silicon cells to achieve a high23.5% conversion rate. MHPOWOS 200W Bifacial Portable Solar Panel.
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28 July 2026
Up for sale is a previously owned evacuated glass solar vacuum tube. Use these tubes to heat water or air with solar energy. If you need more than 1, we have. – Free, local pickup.
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28 July 2026
This is a Solar Swim Ring for Pool Heating. It contains one solar heating ring for your pool. It is 5′ in diameter. The package has been opened but the item has not been used. Happy heating!F3
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28 July 2026
Material : monocrystalline silicon. 130W Flexible Solar Panel. Pmax (maximum power at STC) : 130W. 💡 【Excellent flexibility】- Flexible solar panels are flexible enough to be mounted on RVs, boats, cabins, tents, cars, trucks, trailers, yachts, roofs or any other irregular surface.
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28 July 2026
MHPOWOS 100W Bifacial Portable Solar Panel. MHPOWOS 200W Bifacial Portable Solar Panel. The protectiveETFE surface is designed with a concave-convex texture to better capture light from varying angles, enhancing efficiency and contributing to the panel’s long lifespan.
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28 July 2026
Material : monocrystalline silicon. 💡 【Excellent flexibility】- Flexible solar panels are flexible enough to be mounted on RVs, boats, cabins, tents, cars, trucks, trailers, yachts, roofs or any other irregular surface.
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28 July 2026
The Solar Bear Solar Combiner Box is assembled form UL listed components. This product features advanced surge protection technology to safeguard your system against power surges and static electricity from lighting.
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28 July 2026
Never worry about a dead car battery again, especially after long periods of parking! Harness the power of the sun—no fuel or electricity costs. Tri-color LEDs clearly display the charging status. The PET-coated panel resists corrosion, abrasion, heat, bending, stretching, and impact.
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28 July 2026
I tested the power output of this great solar panel in the sun on February 13, with winter 33 degrees off equator winter sun. I own one myself. You can see the full test video on my YouTube channel.
