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Glossary. Heating technology
explained simply.

All about heating. From A to Z.

When it comes to heating, there are a few technical terms that need to be explained. You can find everything you need to know here. In alphabetical order.

Expansion valve

A component within a heat pump. The expansion valve reduces the pressure and thus the temperature of a Refrigerant Tooltip icon, so that it can subsequently absorb heat in the Evaporator Tooltip icon. It also controls the flow rate, so that only as much Refrigerant Tooltip icon as can be vaporised is passed to the Evaporator Tooltip icon.

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