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QUESTION:My 30yr old floor standing caste iron boiler is rumbling again so I think
its time for another, bought a Worcester 28si (nov 2001 build) which had
very little use but wasnt removed too well (bent manifold plate) I am
wondering now if Corgi reg fitters will fit/ are allowed to fit a 2nd hand
boiler?
I straightened as best I can the manifold plate and it appears all the
connections are ok.
Is there any easy way to test a combi before fitting? I have an indirect
system atm and its going to be a fair sized job to replumb the system to my
prefered new boiler location, hate to have all that done only to find I
bought a pup boiler.
ANSWER: Presumably the manifold plate got bent when it fell from the lorry?
The advise to registered fitters is to carefully evaluate 2nd hand
appliances. You will need the installation & user instructions (downloadable).
The appliance must have a reasonable life left in it. Since this is a
reasonable unit with say 80% of its life left you should
in princinple be able to find someone to take it on. You _probably_ should
buy a new flue/duct for it as the old one may have been modified damaged.
I presume that you are going to be using the boiler as a system boiler
only or hybrid use [1] rather than take out the HW cylinder?
Do you know why the boiler was removed in the first place?
The heat exchanger is one of the most expensive parts however you can test
this by rigging up some plumbing and testing for leaks.
The major expensive components you might find failed are the gas valve,
pump, expansion vessel, PCB. It is unlikely more than one of those has
failed. The pump and vessel are easily fixed using generic coponents.
Things like the fan, burner combusion chamber are likely OK if they are
undamaged - examine carefully.
Most other components are small and relatively cheap.
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