It's time for an update

You've been using your good friend IE for quite some time now. It has been a reliable companion for probably the last 20 years.

Unfortunately, due to technology constantly evolving, we would like to kindly ask you to update your browser to one of your liking from the ones listed below. This will ensure that you're going to have good time on our site. Actually, any site really.

Farewell, Internet Explorer.

Drain-back

El sistema Drain-back es un método de captación de energía solar térmica para uso doméstico, compuesto por captador solar, y una unidad premontada con el acumulador, la regulación y el grupo de bombeo. Cuando la bomba del primario se para, los captadores se vacían de líquido. De esta forma no hay peligro de heladas ni de sobrecalentamientos.

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