Imera Expansion Vessel 12 Litre VR12 - VR12
Imera Expansion Vessel 12 Litre VR12
Manufactures Part Number: VR12
The main purpose of an expansion tank is to compensate for the variation in the volume of water due to the change in temperature within the heating system. Water heating up from 0C to 100C increases its volume by about 4.5%. Which means there needs to be a space inside the system that can accommodate the increased volume of water.
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