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Updated 01 November 2020   Boiler Services Ltd 2009-2020

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heating and boiler problems  –

Central Heating Articles – Knowledge Base

Condensate pipe problems? E133, EA, D5 error or fault codes

Frozen condensate pipes continue to cause problems in cold winters

Efficiency – Gross and Net

What’s the difference between gross and net efficiency and why do we use both terms?

Expansion vessel problems – sealed system pressure problems

Big changes in central heating system pressure? or combi boiler pressure dropping? Faulty expansion vessel in a system boiler?

Radiator Balancing – The Easy Way

How we balance central heating systems

Radiator Valves

Types of radiator valves and their problems. We’re still working on this article