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[TheBoy]

I had to drain down central heating to replace a part (DTM - had to replace olives as well, else it weeped), and what came out was black-ish, but also had black bits in as well.

Worth running a cleaner through, then drain again, before refilling with 2 bottles of inhibitor?

[redelitev6]

Yes

[flyer 0712]

Def yes and a lot cheaper than a company would charge you..

[Sir Tigger KC]

+3 Yes! 

My boiler was kettling like hell this time last year, to the point that I thought it was going to jump off the wall!   

I drained it and filled it a couple of times to flush and then chucked a couple of bottles of Sentinal X200 in and it's running smoothly again! 

Fernox F3 has also been recommended, but that's a bit more aggressive and I think you're supposed to leave that in for a day to 2 weeks max.    I'm going to try that in a kettling boiler elsewhere. 

[biggriffin]

Get one of these, brilliant bit of kit, this comes with all the, additives..

https://www.travisperkins.co.uk/Adey-Magnaclean-PRO2%20Chemical

[Sir Tigger KC]

Linky no worky..... 

[Kevin Wood]

I think yours is a Potterton profile like mine?

Mine used to kettle like mad when I moved in here. Fixed a couple of leaks, fliushed and filled it up with a cleaning agent and ran it for a couple of weeks, then drained and flushed. What came out was a horrible black mess. I chuck a bottle of inhibitor in each year and it's still silent. Now 20 years old. The longer I can put off replacing it with a godawful condensing boiler the better.

[Sir Tigger KC]

I think yours is a Potterton profile like mine?

Mine used to kettle like mad when I moved in here. Fixed a couple of leaks, fliushed and filled it up with a cleaning agent and ran it for a couple of weeks, then drained and flushed. What came out was a horrible black mess. I chuck a bottle of inhibitor in each year and it's still silent. Now 20 years old. The longer I can put off replacing it with a godawful condensing boiler the better.

Yes and I have no intention of changing mine either unless I am forced to. 

[TheBoy]

I think yours is a Potterton profile like mine?

Mine used to kettle like mad when I moved in here. Fixed a couple of leaks, fliushed and filled it up with a cleaning agent and ran it for a couple of weeks, then drained and flushed. What came out was a horrible black mess. I chuck a bottle of inhibitor in each year and it's still silent. Now 20 years old. The longer I can put off replacing it with a godawful condensing boiler the better.

Yeah, Suprima, with more ECU repairs than is healthy

Its never kettled, though pump occasionally vibrates (and mounted desperately close to a plasterboard partition).


I'll get to shitfix and grab a bottle of sentinel x400m and run that for a couple of weeks.  Already got some sentinel inhibitor from TP to put in afterwards

[Kevin Wood]

Oh, yes. Mine has had some decent 105 deg. C rated capacitors in the ECU too.

[TheBoy]

Oh, yes. Mine has had some decent 105 deg. C rated capacitors in the ECU too.

As had mine...   ...which helped, but not cured its reliability.

In reality, it needs a new ECU, as the PCB is now so trashed, its getting really hard to fix.  Most of the tracks are pieced out with 2.5mm twin and earth, covered in solder.  And there aren't many areas that aren't so badly scorched than the board doesn't feel a bit brittle

[Doctor Gollum]

Get your arse down to Tiffins and call it done...

A decent Naga and your heating will be sorted until spring

[Doctor Gollum]

It has also been pointed out that if you let Sue use it, it might be more reliable 

[Gaffers]

And I thought this post was going to contain gas and matches.

Disappointed of Hampshire.

[Andy B]

And I thought this post was going to contain gas and matches.

Disappointed of Hampshire.