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Storage water tanks, electronic anodes, solar panels and accessories

All answers to frequently asked questions about our products.
Facilitates your search by filtering your questions by product

Which is the difference between an enameled and an inorganic enameled water storage tank?

The difference is the treatment of the internal surface of the tank. The enameled version can resist at 70 °C temperature, constantly . The inorganic enameled version can reach higher temperatures, up to 95°C, which can be reached in solar applications or with a wood boiler. The details of the treatments are indicated in EMMETI catalogues.

Which is the difference between a magnesium anode and an electronic anode?

The magnesium anode is a component which reduces to protect the corrosion in case of not perfect coating of the internal surface of the accumulation water tank, and it has to be checked and controller regularly. The electronic anode creates a cathodic protection, it’s functioning is guaranteed by the green light, and it is not necessary to check or replace it.

Are the Comfort accumulation tanks supplied with the insulation assembled?

Comfort accumulation tanks, up to 500 lt, are insulated with rigid polyurethane. In case of bigger sizes, the insulation is supplied separately and it has to be assembled by the installer. Anyway, the insulation is included in the price indicated in the price list.

What are the led lights on the anode controller showing?

The led lights are showing the correct functioning of the electronic anode. If the electronic anode is correctly installed, the green light must be on.

Is it necessary to use the antifreeze glycol even if the panel is installed in an area where the temperature never goes below 0 °C?

Absolutely yes, it is possible to have ice inside the solar panel even if the outside air temperature is higher than 0 °C, in case of serene sky during the night.

Is it necessary to install an air vent and an automatic feeder in a solar installation?

The installation of fan automatic water feeder may cause problems in a solar installation, considering that in case of leaks the antifreeze glycol goes away and the new water going in would be pure. The automatic air vent is important to eliminate the air, which can limit the water circulation and the efficiency of the solar system. The installation of an air eliminator in the technical room is suggested, considering that the air vent on the top is not visible and leakages can occur.

There is air inside the solar circuit, where does it come from?

If there is air inside the solar system it may be due to a not correct startup of the system, or it can come from electrolytic galvanic corrosion, caused by different metals in contact with the water in the same system. In the second case, it is possible to use a specific anti-freeze additive, which protects the metal surfaces.

Why are EMMETI water tanks equipped with an energy label?

EMMETI hot water tanks are equipped by an energy label since Sept 26th, 2015, according to 812/2013 EU rules, in the sizes indicated by the standard. If some sizes are not equipped by an energy label, it means that those are not involved by the EU 812/2013 standard.

 

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