How often should I powerflush my central heating system?
4 Answers
Answered by Plumbology Services
13th April 2021
Plumbology Services answered the question "How often should I powerflush my central heating system?"
Generally speaking a NEW system maintained well I would say once every 10 years with the correct amount of Chemicals added, A older system 5-10 years. Every time your system is drained down would recommend inhibitor is added to protect your system and Thoroughly vented. More air in the system the faster the corrosion rate. Well placed automatic air vents are a must.
Answered by Benjamin Vavoulas
8th March 2021
Benjamin Vavoulas answered the question "How often should I powerflush my central heating system?"
A powerflush isn't necessary too often, especially on newer sealed systems ie combination and system boilers. The reason for this is that, water only has a certain amount of oxygen in it. Once that oxygen has been used for corrosion, no more corrosion can take place. Historically heating systems were plagued with sludgy black water due to the nature of the old open vented systems (tanks in the attic)allowing fresh oxygen to be introduced into the system. It might be advisable to have a power flush if you're replacing a boiler that has been poorly serviced, causing the water pressure to drop and constantly needing new water to be introduced to re pressurise the system. Getting your boiler serviced is essential. They will last 15 years plus if they are serviced properly.
Answered by Task Legends
23rd January 2021
Task Legends answered the question "How often should I powerflush my central heating system?"
When done correctly only once is required in the lifetime of the boiler, after it's about regularly servicing the boiler on a yearly basis to keep the system running at it's optimum. If there are any changes/modifications made to the system by an engineer that requires the need to drain it down make sure that he tops the system back up with inhibitor.
Answered by Protec Gas Services
20th February 2020
Protec Gas Services answered the question "How often should I powerflush my central heating system?"
A correctly flushed system should last about 10 years, but a lot depends on the system being correctly dosed with inhibitor and the general mechanical condition. A system that lets in air will corrode and sludge up a lot quicker. It is also worth noting that power flushing is not a magic cure and replacement of parts may still be required.