What is a sealed heating system and how does it work?

Hi there, what is a sealed heating system and how does it work? Should I consider having one installed?

Asked by Simon on 16th Nov 2021
Expert Trade Answers
"A sealed heating system is when you remove header tank and fit an expansion veiling and filling to close up the system"
Answered on 16th Nov 2021 - Member since Jun 2019 - report
"It is completely closed system. A sealed heating system has a filling loop connected to the main water supply via a flexible pipe. This is used to fill the system to set pressure. Usually 1 to 1.5 bar pressure when the system is cold there is a pressure gauge on the system to show the operating pressure"
Answered on 16th Nov 2021 - Member since May 2020 - report
"Hi Simon

In short, engineers go to college alongside an apprenticeship for a minimum of 4 years to learn this so i believe it would be difficult for anyone to explain this to you without any prior experience or knowledge.

Your question also isn't specific enough as you could be referring to multiple factors in which an untrained person may be attempting to attain information.

I would advise employing an engineer to discuss any work you may require undertaking.

Kind regards
LHPlumbing and heating services"
Answered on 16th Nov 2021 - Member since Nov 2020 - report
"A sealed heating system has a “filling loop” connected to the mains water supply via a flexible pipe. This is used to fill the system to a set pressure, usually 1 to 1.5 bar pressure when the system is cold. There is also a pressure gauge on the system to show the operating pressure."
Answered on 16th Nov 2021 - Member since Oct 2020 - report
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