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air in radiator?

I have Worscester bosch 350 combi boiler. Every few days I have to bleed air from my towel radiator. How is air getting in when system is pressurised to 1.4Bar?

Tshiamo
December 2010

Bosch Heating, Home Heating Systems Radiator Boiler Towel

thanks for your response. I have been bleeding system for ages, just cant help thinking there must be a problem. My daughter has combi central heating and doesnt need to bleed at all.

Tshiamo
December 2010

The process of heating water releases gasses contained within it H2O - once released the gasses will not spontaneously reform and become water again.

Peccavi
December 2010

Air will trap in the system and will still pressurise so I don't see you logic on this one.keep bleeding the rad and topping up the system as needed

A1
December 2010

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