Worcester 400 RSF Problems

dove1888 · 10 Mar 2008

Hi, My Worcester Hi Flow 400 (9 years old) is playing up. DHW goes from hot to cool then back to hot while in the shower, CH takes a long time to heat the rads. Demand light will come on, pump will run, boiler will light, then after about 15 seconds will go out. After around 25 - 35 seconds the burner will light again only to go off after around 15 seconds and so on. Limit stats do not trip and pump appears fine. Any ideas?

Thanks
Davie

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Worcester 400 RSF Problems

dove1888

DIYnot Local

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