Worcester 28Si II problem?

Over the last dew days I have had a problem with my hot water. Everytime I turn on my hot water tap in the kitchen, water flows but as soon as the boiler kicks in the water slowly stops flowing until ... more

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how to fix worcester gas combi boiler 28si ii?

we have hot radiators, slightly cooler at bottom but power shower runs hot and cold. We have changed thermostatic valve at shower and pump in boiler but problem remains. Can you help ? Worcester 28si ... more

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My Worcester 28Si boiler is leaking?

I have to keep putting up the pressure in my boiler, every day and now twice a day. The problem now is that it has started to drip when I do this and quite badly as well, the water coming out is hot. ... more

What is the correct pressure for a Worcester 28Si II?

I have a Worcester 28Si II, the pressure reading on it is currently 1.0 bar when not in use but then rises to approx 1.5 bar, I also have a little problem with the hot water running hot then cold when ... more

Worcester Bosch 28si?

Boiler suddenly stopped working!! Pressure is good, no hot water or heating! Hit the reset, seems as though the boiler is trying to start but won’t Any suggestions would be gratefully appreciated.

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Fitting combi boiler?

I am considering replacing my boiler as it's about 12 years old and Potterton Puma's are not that great. I have been given a Worcester Bosch 28si which has hardly been used. I understand you can't ... more

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HOW TO FIT NEW TRV VALVE?

GOT A WORCESTER 28SI TRV VALVE LEAKING , HOW DO I FIT A NEW ONE. IS IT A LONG WINDED JOB ?

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worcester bosch gas boiler 28si ll?

pressure gauge on zero bar, how do i bleed system?

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the pressure on my Worcester 28Si 11 boiler is on max ?

pressure on my Worcester 28Si 11 is on max and I don't have a manual as have just bought the house - how do I reduce the pressure?

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How do I raise the pressure on my Worcester 28Si ii boiler?

Where is the control to raise pressure on a Worcester 28Si II boiler. I ned to raise the pressure as its at 0 after bleeding the radiators. I have a plastic key but no idea where to put it.

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Worcester bosch 28si lockout?

My Worcester 28si keeps locking out shortly after firing. I have ruled out primary sensor, dhw sensor, fan air pressure switch, pump, gas valve, burner and blocked heat exchanger. The flue is fine a ... more

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No hot water with Worcester 28Si?

We have a Worcester 28Si and are now getting no hot water at all. It started a while ago. The central heating would work for a while then the reset button would flash but we could get hot water from ... more

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worcester 28si II boiler?

from a cold start my worcester boiler pressure is 1 bar, but when i switch the central heating on and it warms up the pressure rockets upto 4 bar and water trickles out of the overflow pipe. I have t ... more

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WORCESTER 28si II COMBI BOILER?

we have the above boiler ...when running a bath we noticed that after 3-4mins the water would run cold ..got a guy in and he replaced the pcb board for us , problem was fixed...then about 5 weeks late ... more

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how to fix my WORCESTER 28si II COMBI?

THE PROBLEM IM HAVING IS THAT THE CENTRAL HEATING WILL WORK FOR A WHILE THEN GO OFF AND THE RED LIGHT WILL COME ON SAYING THERES NO GAS.THE PREASURE SEEMS TO BE DOWN SLIGHTLY,ITS THE SAME WITH THE HO ... more

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hot water not as hot as it was!?

got a british gas rd 628 (similar to a worcester bosch 28si II i think?) the pump went the other day and we swapped it out as the central heating obviously didnt work.. since then, the hot water is ... more

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High pitched noise from TRVs?

I have a Worcester/Bosch 28si combi boiler with 12 radiators. I am getting a high pitched noise from the TRVs. If I turn the valves, either up or down, the noise stops. But shortly after it returns. T ... more

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how can i fix my worcester 28si boiler?

I think I have over filled my worcester 28si boiler. There is one black valve under the boiler to top it up but I can't find one to reduce the pressure? Any ideas?

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I have a Worcester 28Si combi boiler - need to increase water pressure?

Hi, My water pressure on my boiler in in the red on the guage. I', sure that the Worcester engineer showed me how to increase the water pressure quite easily by adjusting something near the clear ... more

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drip on worcester 28si?

we have a slight drip coming from the water flow turbine we have already replaced the two o rings but it is still leaking

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