As owners of a three-family house, with three sets of appliances, which tend to have a half-life of about ten years, and which we've owned for ten years, we've replaced three hot-water heaters and two furnaces. In none of the cases did the folks doing the replacement need to go anywhere but the basement.
I guess they probably don't actually _need_ access (except possibly to wherever the system is drained from, which may or may not be the same place as the boiler), but when they did the boiler here they also did a kind of general service of the whole system, which was a requirement of the insurance-type thing for future servicing. Probably possible not to have it, but I don't know how valuable (or not) that is. I would have thought that the amount of necessary tidying to be able to access things was pretty minimal, but I guess there might be a risk of them stepping on stuff or moving it with less care than one might want...
Good that the current boiler is working for the moment anyway :)
Apparently the power flush is a requirement of the manufacturers' warranty on a new boiler. They won't guarantee a boiler that's fitted to an old heating system without it.
I have no idea how old the radiators here are, but I'm guessing 12 years like the boiler. And they are absolutely full of sludge, we know that.
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As owners of a three-family house, with three sets of appliances, which tend to have a half-life of about ten years, and which we've owned for ten years, we've replaced three hot-water heaters and two furnaces. In none of the cases did the folks doing the replacement need to go anywhere but the basement.
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Good that the current boiler is working for the moment anyway :)
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I have no idea how old the radiators here are, but I'm guessing 12 years like the boiler. And they are absolutely full of sludge, we know that.
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