Comparable with what I paid about 6 months ago for a similar job.
I'd just check that "System flushed" is actally a power flush, which if done properly takes a couple of hours and involves using a specialised pump ( looks like a grown up VAX vacuum cleaner). Quite expensive and most CH installers hire them - not cheap.
Just wondering why you'd need a filter on a sealed system which has been power flushed and is using inhibitor?
Seems to me both a power flush (assuming no problems before) and a filter are a couple of extras to put jam on the bread?
Flushing (which IIRC can be chemical these days) is part of the installation instructions and so required to qualify for the WB warranty; and a system filter is usually required for the extended (10 year) warranty.
Looks like Plowcunt show down in flames. Again.
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And just how is WB going to know a power flush has been correctly carried out?
And if a filter is essential, why not part of the boiler?
The short answer is that you don't - to start with anyway. Over time however you will still get some corrosion - even if its just galvanic. That also assumes that the inhibitor is maintained at an adequate level.
As a longer term thing, then its a relatively cheap and easy way to keep debris out of the HX of the boiler, and modern HX are relatively easy to block. It may be a requirement of the full warranty for the boiler, and if nothing else, its an easy place to introduce inhibitor to the system.
From the installers PoV almost certainly - but that does not in itself mean they are of no benefit.
The OP is paying someone to install the boiler who, it is to be hoped, won't skip an essential stage in the installation. And who, it is also to be hoped, won't want to be back in short order to sort out a blocked boiler.
It's easier and safer for people to clean/replace a filter if that can be done without opening the boiler.
Not my place, but I organised it. 3K (inc vat) to remove cylinder and old boiler and replace with a combi. Some difficult bricking up (over a dodgy glass roof). And in a cold snap in December, not May. That was 3.5yrs ago, in Cambridge.
Hardly. Well used systems are often well loadd with crap. It would be unwise to assume every bit of debris got flushed out, and said debris blocks some modern boilers far easier than oldies. Not all though - some have a HX that's just a doughnut shaped container. It can still fill with crud.
when the HX is full of junk they'll know the required flush & inhibitor & filter have not been followed.
Why would a boiler seller choose to unnecessarily increase the headline price of their product?
They should get into selling filters, the markup is easy money. This is changing though.
NT
Quite. It would never do to give a true price in an advert.
Seems to me much of fitting a new boiler is easy money.
But well within the scope of DIY for a competent person. Except the trade trying to make it as difficult as possible.
Totally. You can save 4 figures by diying but most diyers aren't competent, and/or would take longer than they're happy with getting it done.
I don't know how that could happen. All the supplies are buyable.
NT
The OP is a moron. Why post if the quote seems reasonable. Then refuses to get other quotes.
No point in asking.
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Sounds OK to me.
How do you know. Have you been round and surveyed the job.
Or do you Work For Pimlico Plumbers and have a Roger Hayter Haircut.
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Basing it upon a boiler replacement with similar spec for a similar price (~£100-200 less) I have had done, and the retail price of the boiler, using a trusted contractor.
So without seeing the site of the boiler all is ok.
Very odd.
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