Does my heating system need a powerflush?

[Question]

A plumber told me that I need a poweflush. I took some water via a bleed value of a radiator.  It is slightly brown/orangey.   I took a photo and it is against a very white background in good light. 

 

Do I need to powerflush? 

 

I would be grateful for your thoughts. 

[JohnMo]

Mine was way worse than that - it was brown. What are trying to achieve?

 

I didn't power flush, but it took me a few days to get to VDI 2035 spec (read up on it). So I could run without additional chemicals in the water.

 

A power flush will have it all done very quickly.

 

[Question]

57 minutes ago, JohnMo said:

it took me a few days to get to VDI 2035 spec (read up on it)

Thanks for your reply.  I had a look at VDI 2035 and it seems to be a standard to reach rather than a method of removing any corrosion.   

 

Can you please tell me what you did to reach VDI 2035 without powerflusing.   (Regarding your question what am I trying to achieve.   I just wanted to check what the plumber was saying, as many are happy to recommend more work for themselves).

Edited August 18 by Question

[JohnMo]

 

1 hour ago, Question said:

seems to be a standard to reach rather than a method of removing any corrosion.   

 

Doesn't remove corrosion, not does a power flush. But VDI prevents corrosion as far as it's possible by elimination of the properties that allow it to happen i.e. bug growth (reduced mineral content), oxygen and reduced electrical conductivity of the water.

[Conor]

Purpose of a power flush, rather than a simple drain down, is to lift material that has been deposited on pipe and other surfaces. E.g. metal fragments, corrosion deposits, biofilms etc. you can't tell much from looking at a bit of water drawn off the system. If you system is a few years old, or has been run without inhibitor, a power flush is a no-brainer.