The cost of the fix would be horrendously high (well into the hundreds of pounds); it makes no sense to invest that much money into an old boiler. Mix the ingredients in a bowl, pour the mix into the drain, wait 30 minutes, then rinse with hot water. Costs will depend on a number of factors, including the size of the boiler, whether radiators need replacing and.
The recognition has also generated additional business for the plumbing contractor. Hi there we just had a new baxi ecoblue boiler fitted only last year ,we have had to go upstairs into the airing cupboard whenever we want ch and physically move the switch in there down to the ch setting .woke up this morning and we are getting the 3 flashes on the boiler meaning an ignition fault i think .its terribly windy outside ,could the wind be blowing the pilot light out ?? inside the boiler sounds.