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<blockquote data-quote="ProDave" data-source="post: 322977" data-attributes="member: 6969"><p>Have you thought of controls?</p><p></p><p>As I understand it, every solar thermal system leaves the water in the tubes static, monitoring the temperature. Then when it reaches a certain temp, it turns the pump on and moves the "slug" of hot water around to heat the tank.</p><p></p><p>Once the heat has been transferred to the tank, the pump stops again and waits for it to heat up again.</p><p></p><p>That's how they achieve a relatively high temperature.</p><p></p><p>It sounds like you are just going to let it thermo syphon, which will probably result in a continuous flow of only slightly warm water. Not much good for heating your domestic hot water, but I agree might work well to keep a kids paddling pool warmed up.</p></blockquote><p></p>
[QUOTE="ProDave, post: 322977, member: 6969"] Have you thought of controls? As I understand it, every solar thermal system leaves the water in the tubes static, monitoring the temperature. Then when it reaches a certain temp, it turns the pump on and moves the "slug" of hot water around to heat the tank. Once the heat has been transferred to the tank, the pump stops again and waits for it to heat up again. That's how they achieve a relatively high temperature. It sounds like you are just going to let it thermo syphon, which will probably result in a continuous flow of only slightly warm water. Not much good for heating your domestic hot water, but I agree might work well to keep a kids paddling pool warmed up. [/QUOTE]
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