solar hot water heater repair

Old 09-10-01, 02:31 PM
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My solar hot water heater suddenly doesn't. It seems over the past couple of weeks, the amount and temperature of the hot water we DO receive continues to decline? I thought it was classfied as a passive system, but am beginning to wonder if there is a thermostat, are they replaceable and can I get to it? or do I need a pro? HELP..... thanx
Old 09-15-01, 06:05 PM
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Join Date: May 2001
Location: USA
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Don't know if you are still looking for help or not. If so, I don't know if I will be able to give it to you.
When I was a young lad, my folks had a solar water heater system. Of course, Dad wouldn't let me near it with any tools (he is a very wise man). This is what I remember about it.
The panels themselves contained a fluid like prestone (anti-freeze), this would heat up and be pumped through a holding tank of water. I say pumped, meaning there was a motor driven pump on the system. This pump was controled via a thermostat.
With all that said, I remember the pump was in the basement, next to the tank. However, the location of the thermostat eludes me at this time. I guess if you were able to find the pump, follow the wire to the relay that contols it, than the wires from the relay to the thermostat.

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