Flushing heating system and rads
 

I had my Worcester combi boiler serviced last week, and the engineer
suggested that the system needed flushing out as the water in the system
was discoloured.

I spoke to a local plumber who told me that it if was working, then
leave it alone. He added that his policy was to leave well alone.
I might add that the boiler is working well.

So, as a consumer and householder with no technical knowledge what
should I do?

Thank you,
pfj

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Flushing heating system and rads
 

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"PeteFJ" wrote in message
...
I had my Worcester combi boiler serviced last week, and the engineer
suggested that the system needed flushing out as the water in the system
was discoloured.

I spoke to a local plumber who told me that it if was working, then
leave it alone. He added that his policy was to leave well alone.
I might add that the boiler is working well.

So, as a consumer and householder with no technical knowledge what
should I do?

Thank you,
pfj

--
To contact the author then write to pfjames2000ATicloudDOTcom

Flushing heating system and rads
 

On Thu, 22 Mar 2018 08:19:33 +0000, PeteFJ wrote:

I had my Worcester combi boiler serviced last week, and the engineer
suggested that the system needed flushing out as the water in the system
was discoloured.

I spoke to a local plumber who told me that it if was working, then
leave it alone. He added that his policy was to leave well alone.
I might add that the boiler is working well.

So, as a consumer and householder with no technical knowledge what
should I do?

Thank you,
pfj

Could go either way.

If the water is badly discoloured then the insides of the radiators are
probably rusting - that gives a black colour to the water.

The question then is has the water used up all the oxygen and so not able
to rust any more, or is there oxygen getting in and more rusting taking
place.

I assume that you have inhibitor in to reduce or stop internal rusting?

Things you could do.

Do nothing.

Add some inhibitor (helps if you know what type is already in).

Flush out the system (replace the current water with new) and add
inhibitor.

As all of the above but add a magnetic filter to the system. This should
in time remove the rust in the water (which makes it look dirty) but won't
address any corrosion issues.

How old are the radiators? See the thread just below about power flushing
if the radiators are old and have cold spots at the bottom in the middle.

Cheers



Dave R


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Flushing heating system and rads
 

PeteFJ wrote:
I had my Worcester combi boiler serviced last week, and the engineer
suggested that the system needed flushing out as the water in the system
was discoloured.

I spoke to a local plumber who told me that it if was working, then
leave it alone. He added that his policy was to leave well alone.
I might add that the boiler is working well.

So, as a consumer and householder with no technical knowledge what
should I do?

Thank you,
pfj

Fit a magna clean or similar then you can seen how much crap is being
collected. Flushing/adding cleaning solutions is to be avoided if
possible as it can expose/create other problems with leaks etc.

If you are getting poor performance then that is a different matter and
should be investigated.

Flushing heating system and rads
 

On 22/03/2018 11:47, Bob Minchin wrote:
PeteFJ wrote:
I had my Worcester combi boiler serviced last week, and the engineer
suggested that the system needed flushing out as the water in the system
was discoloured.

I spoke to a local plumber who told me that it if was working, then
leave it alone.Â* He added that his policy was to leave well alone.
I might add that the boiler is working well.

So, as a consumer and householder with no technical knowledge what
should I do?

Thank you,
pfj

Fit a magna clean or similar then you can seen how much crap is being
collected. Flushing/adding cleaning solutions is to be avoided if
possible as it can expose/create other problems with leaks etc.

If you are getting poor performance then that is a different matter and
should be investigated.


+1

Once you have a Magna Clean it's also easy to top up the inhibitor.

Flushing heating system and rads
 

On 22/03/2018 08:19, PeteFJ wrote:

I had my Worcester combi boiler serviced last week, and the engineer
suggested that the system needed flushing out as the water in the system
was discoloured.

What type of boiler _service_ will have revealed the colour of the water
flowing in the system? Maybe a bleed of radiators may have revealed
discoloured water but if there was a lot of air in the radiators the
discolouration could just have been a bit of rust at the top of the
radiators being flushed out.

I spoke to a local plumber who told me that it if was working, then
leave it alone. He added that his policy was to leave well alone.
I might add that the boiler is working well.

My gut feeling is leave alone. If you change the boiler perhaps
consider a flush and/or a magnet filter.


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Flushing heating system and rads
 

On Thursday, 22 March 2018 08:19:37 UTC, PeteFJ wrote:

I had my Worcester combi boiler serviced last week, and the engineer
suggested that the system needed flushing out as the water in the system
was discoloured.

I spoke to a local plumber who told me that it if was working, then
leave it alone. He added that his policy was to leave well alone.
I might add that the boiler is working well.

So, as a consumer and householder with no technical knowledge what
should I do?

Thank you,
pfj

Check you've got a magnatec/zetec filter, those will filter out crud & prevent blockages. If not it's wise to fit one, much cheaper than fixing the inevitable years later.


NT

Flushing heating system and rads
 

On 22/03/2018 09:20, David wrote:
On Thu, 22 Mar 2018 08:19:33 +0000, PeteFJ wrote:

I had my Worcester combi boiler serviced last week, and the engineer
suggested that the system needed flushing out as the water in the system
was discoloured.

I spoke to a local plumber who told me that it if was working, then
leave it alone. He added that his policy was to leave well alone.
I might add that the boiler is working well.

So, as a consumer and householder with no technical knowledge what
should I do?

Thank you,
pfj

Could go either way.

If the water is badly discoloured then the insides of the radiators are
probably rusting - that gives a black colour to the water.

The question then is has the water used up all the oxygen and so not able
to rust any more, or is there oxygen getting in and more rusting taking
place.

I assume that you have inhibitor in to reduce or stop internal rusting?

Things you could do.

Do nothing.

Add some inhibitor (helps if you know what type is already in).

Flush out the system (replace the current water with new) and add
inhibitor.

As all of the above but add a magnetic filter to the system. This should
in time remove the rust in the water (which makes it look dirty) but won't
address any corrosion issues.

How old are the radiators? See the thread just below about power flushing
if the radiators are old and have cold spots at the bottom in the middle.

Cheers



Dave R


How many times has the OP had to repressurise, which adds fresh
oxygenated water. ?.

If hardly ever, then all the O2 will have been used up, OTOH
if there was inhibitor, it needs to be replenished, so a drain
down and run with flushing cleaner, then redrain and adding new
inhibitor could extend its life.

Flushing heating system and rads
 

Andrew wrote in
:

On 22/03/2018 09:20, David wrote:
On Thu, 22 Mar 2018 08:19:33 +0000, PeteFJ wrote:

I had my Worcester combi boiler serviced last week, and the engineer
suggested that the system needed flushing out as the water in the
system was discoloured.

I spoke to a local plumber who told me that it if was working, then
leave it alone. He added that his policy was to leave well alone.
I might add that the boiler is working well.

So, as a consumer and householder with no technical knowledge what
should I do?

Thank you,
pfj

Could go either way.

If the water is badly discoloured then the insides of the radiators
are probably rusting - that gives a black colour to the water.

The question then is has the water used up all the oxygen and so not
able to rust any more, or is there oxygen getting in and more rusting
taking place.

I assume that you have inhibitor in to reduce or stop internal
rusting?

Things you could do.

Do nothing.

Add some inhibitor (helps if you know what type is already in).

Flush out the system (replace the current water with new) and add
inhibitor.

As all of the above but add a magnetic filter to the system. This
should in time remove the rust in the water (which makes it look
dirty) but won't address any corrosion issues.

How old are the radiators? See the thread just below about power
flushing if the radiators are old and have cold spots at the bottom
in the middle.

Cheers



Dave R


How many times has the OP had to repressurise, which adds fresh
oxygenated water. ?.

If hardly ever, then all the O2 will have been used up, OTOH
if there was inhibitor, it needs to be replenished, so a drain
down and run with flushing cleaner, then redrain and adding new
inhibitor could extend its life.


Power flushing is a money earning fad. IMHO

Flushing heating system and rads
 

PeteFJ wrote:

I had my Worcester combi boiler serviced last week, and the engineer
suggested that the system needed flushing out as the water in the system
was discoloured.

I spoke to a local plumber who told me that it if was working, then
leave it alone. He added that his policy was to leave well alone.
I might add that the boiler is working well.

So, as a consumer and householder with no technical knowledge what
should I do?
Thank you for all of the replies and advice. The system is working
well, and I'll leave it alone.
Thanks again.
pfj


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To contact the author then write to pfjames2000ATicloudDOTcom