save more energy.
After more than 10 years of operation of the equipment and subsequent repairs everything sobe bites corrosion in metal radiator and tank, I changed the whole system with the intention of eliminating energy costs.
electric pump to eliminate the recirculation is imprecincible: 1.-
the collector and the deposits are nearby.
2.-collector output that this lower than the input
3.-exchanger that the pipes between the collector and heat exchanger with minimal resistance to the water, so that the tubes must be of greater thickness.
Therefore I designed a new heat exchanger is an iron deposit input and output of an inch diameter hole match in the former electrical resistance heater.
I've placed the deposit, the collector, and the expansion tank nearby and of course from the sun.
I carried water from the mains with polyethylene pipe half inch (in this case the thickness does not matter because the pressure in the municipal system eliminates the problems of resistance) to the deposit yy with similar pipes carry hot water from the reservoir to the entrance of home gas heater, so that if the water is hot enough the gas heater just stop passing the water and do not have sufficient temperature, the gas heater thermostat triggers the normal combustion.
I insulated all pipes both the collector to the tank as this to the network.
The result is good.
remain unresolved corrosion problems (which are not small).
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