Solar Expansion Vessels
When a liquid's temperature changes in a closed system, like a solar installation, it requires an expansion vessel. However, there are distinct variations between solar systems and central heating systems regarding the placement of the expansion vessel and the required capacity calculation. This is primarily because of the medium used and the way solar systems operate.
Vaillant Vr920 Ambisense Internet gateway 20252923
Vaillant
In stock
The Vaillant VR920 Ambisense Internet Gateway is an advanced device that securely connects home heating systems to the internet. The gateway featur...
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Vaillant EcoTec Two Zone Wiring Centre 66/2
Vaillant
In stock
The Vaillant EcoTec Two Zone Wiring Centre 66/2 allows for a fully integrated heating system, combining eBUS controllers with room thermostats, mul...
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Vaillant VR61/4 2 Zone Wiring Centre 61/4
VaillantThe VR 61/4 Wiring Centre, a genuine Vaillant product, is designed for use with the VRC470 and VRC470F weather compensators and Vaillant cylinders....
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