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Radiators Plumbed in to Hotwater

T

Tim123

Last August we had some major plumbing work done on our house and I'm not completely satisfied with the results. I'm just trying to figure out if this was the fault of the plumber or not.

We upgraded our 30+ year old boiler to a Vailent system boiler, added an extra radiator in the toilet, but left all existing radiators and the hotwater cylinder as they were.

At first everything seemed fine, but soon I realised that the 2 radiators in the bathroom and toilet were not on the central heating circuit, but were on the hotwater circuit. This was the way it had been installed 30+ years ago.

Its a problem because the stored hotwater goes cold in just a few hours because the radiators let the heat escape. Also if the hotwater is not on, then the bathroom is cold.

Should this problem have been picked up by the plumber?
 
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I fit all my towel rails on the primaries then they heat up when you call for hot water so when you get out the shower in the summer the towel rail can be warm!
 

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