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Installations & Products
SYSTEMS

Open Vented System

This is usually on older systems and cast iron boilers. This means that there is an “Expansion Tank” fitted high up, which feeds the water down the “Cold Feed” into the central heating system. This is usually fitted in the loft next to the storage tank.

Sealed System

Instead of using a tank and an expansion pipe, sealed systems use an “Expansion Vessel”, a “Safety Blow Off Valve” and a “Filling Loop”. Most modern systems use this method because it is easier to install and has less tendency of problems developing in the system at a later date.

Potterton, Baxi, Valliant
Ours teams work in and around the following areas in:
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