Constant noise from Radiators

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bakerm

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• 29 May 2003

• #1

The system is a Worcester Bosch 28siII with 7 radiators, 6 fitted with Thermostatic Radiator Valves. The problem we have is that the boiler is noisy and you can hear the water being pumped through the radiators (annoying 'wushing sound'). If you turn the TVR's down/up a notch then you get an increase in radiator noise.I've already bled the radiators. Has anyone got any ideas please as the constant noise is driving us nuts!.

 

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masona

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• 29 May 2003

• #2

Possible your pump on it way out,try turning the pump speed down and see what happen.

 

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bakerm

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• 30 May 2003

• #3

Thanks Masona, The boiler is a combi, is the pump speed automated or manual?

 

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masona

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• 30 May 2003

• #4

Sorry didn't know you got a Combi,it can be a number of reason,pump on it way out,the divertor valve not opening properly so it back pressuring to the pump or casing heavy scaled up which restrict the water flow.Best to get it look at.