On Thu, 13 Oct 2005 15:46:12 +0000, Ed S wrote:

On Wed, 12 Oct 2005 23:05:25 +0100, Ed Sirett
wrote:

On Wed, 12 Oct 2005 11:33:50 +0000, Ed S wrote:

Can anyone advise where is a good place to buy secondary heat
exchanger for Britony Combi 80 boiler? In the past, I have usually
bought locally from the Plumb Centre, but price was high. (about £100,
IIRC). I'd like to buy one now, before the current one gets scaled
up. Mail order, perhaps... I live in a very hard water area and it
seems I have to replace the thing almost every year.

Many thanks

Ed S

HRPC and other online suppliers. (Not next day service IME).
A specialist boiler spares shop.

Why not fit a phosphate dosing system top the cold inlet?

That sounds like a good idea - if it's cheap and easy. Can you suggest
a specific make+model?

Thank you.

A manufacturer is Combimate I easily found several online sites.

I suspect that the HX is the sort that look like an oversized sardine can
with four holes on one side?
To descale you simply remove and empty it and then fill it with dilute HCl
(eg. Brickwork Cleaner) with appropriate respect for the HCl and yourself.

I've done this a couple of times and it has made a big difference.

--
Ed Sirett - Property maintainer and registered gas fitter.
The FAQ for uk.diy is at http://www.diyfaq.org.uk
Gas fitting FAQ http://www.makewrite.demon.co.uk/GasFitting.html
Sealed CH FAQ http://www.makewrite.demon.co.uk/SealedCH.html