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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 , so that it can subsequently absorb heat in the Evaporator . It also controls the flow rate, so that only as much Refrigerant  as can be vaporised is passed to the Evaporator .