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Indirect solar-heated storage with heat
exchanger in tank. Picture on right shows
how solar tank is connected to pre-existing tank.
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External heat exchanger
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Solar hot water combined with a tankless
hot water heater
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Solar station package
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Other Variations
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1. standard system
2. series auxiliary storage
3. backup heating to and from solar tank
4. to a heat dump
5. valve logic: two tank parallel
6. pump logic: two tank parallel
7. east/west or seasonally distinct arrays
8. to a wood boiler
9. preheat to boiler
10. maximizing tank capacity
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