If heat exchanger breaks, should I replace boiler?

Question

If the heat exchanger of my boiler has broken down, should I just replace my boiler entirely?

Mark · Accepted Answer

Its impossible to answer that without knowing the make , model etc as heat exchangers can vary in price quite a lot
.
So I will explain what I did when I diagnosed my primary  heat exchanger on my Worcester Bosch. Which I can repair myself.
First thing I did was price the part .
This was very expensive even at trade price.
Second thing I did was ring Worcester bosch up and find out what their all inclusive repair cost was. 
This was cheaper than it would cost me just to buy the part.

Comparing that cost with replacing the boiler was a no brained.

Bosch came out, the guy spent a good few hours on it  replaced the primary heat exchanger which their call centre rep had ordered based on my advice.
He also replaced the pump which apparently wasn't turning as fast as it should and some other parts.

Ordinarily I would in most circumstances if I were not able to fix it myself  always use a local independant guy, but in this case, even if I wasn't gas safe and didn't have my boiler ticket, it was a good deal.
Its still worth getting a local guy to give you a price over the phone though, always give them a chance.

So for average repairs I would use a local independant.
But in some circumstances the typically more expensive manufacturers engineers are cheaper when it comes to very expensive components.

In the world of cookers, induction units I tend to point the customers to the manufacturers.

Hope that helps

Qadir · Answer

That all depends on the type of boiler you have . Some boiler it's cheaper to replace the the main heat exchanger and on some it's considered to be beyond economic repair.

Ryan · Answer

How old is boiler ? Heat exchanger on a rated boiler will be dear depends what make of boiler

Steve · Answer

It would be a cheaper job in the long run as once heat exchangers go more parts will usually follow. I would replace the boiler

Cameron · Answer

Yes, when a boiler gets to that stage, your throwing good money after bad

Richard · Answer

If it’s the main Heat Exchanger yes most probably 
If it’s the Plate Heat Exchanger then no 
What’s the age of the boiler

Tommy · Answer

Depends on how old the boiler is, 8+ year I'd change whole lot but relatively new boiler I'd be looking at the part changed

If heat exchanger breaks, should I replace boiler?

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