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Mend Bosch Worcester Highflow

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We have 22 questions about mending 'bosch worcester highflow'

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Mend Heating, Home Heating Systems

Bosch Greenstar Highflow440/550CDi boiler heating wont come on t error code?

The timer on my new Bosch Worcester Greenstar Highflow 440/550CDi won't seem to work in that my heating won't ... [Read more]
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My Worcester Bosch highflow 400 will not re ignite?

My boiler will not ignite as describe in the manual by turning off the power, then turning on and turning the ... [Read more]
Mend Heating, Home Heating Systems

How do i pressurise a Worcester Bosch 400?

I have lost pressure in my Worcester Bosch Highflow 400 RSF. All possible solutions talk of either using a key... [Read more]
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Worcester Bosch Highflow 400 BF boiler problem?

Hi, my boiler produces hot water on demand OK but refuses to turn off the central heating. Even with both heat... [Read more]
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Worcester Bosch Highflow 400 - no hot water?

Please would you advise me on the following. We have a WB highflow 400 combi boiler. We are noticing that in t... [Read more]
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Bosch Worcester Highflow 400 no heating no hot water?

We've had an ongoing deries of problems which Brit.Gas are struggling with... 31 Dec: no heating/hot water - ... [Read more]
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Worcester Bosch Highflow 400 rsf boiler problem?

I have a problem with my Worcester Bosch Highflow 400 rsf boiler. If hot water is on, I cannot get central hea... [Read more]
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Worcester bosch highflow 400 combi boiler?

Hi, I have the Worcester bosch highflow 400 combi boiler I understand the principle of having the Heatbank but... [Read more]
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where is the water pressure tap ?

I have a worcester bosch 400 highflow and can't seem to find how I top the water up for the pressure, it's wel... [Read more]
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Worcester bosch highflow 400 combi boiler NOT working? ?

Hello the boiler cut out the other day i have tried to light it by depressing the grey button then lighting th... [Read more]
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Worcester bosch highflow 400 combi boiler NOT working?

There is no water or heating in my flat.....the black arrow on the pressure gauge is at around 1.5....( it was... [Read more]
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Worcester Bosch Highflow 400 Gas Boiler?

Hi Wonder if anyone can help. My WB HF400 boiler occassionally starts 'clicking' repeatedly. When I look at t... [Read more]
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How do I remove the top cover from Worcester Bosch Highflow 400?

Something is leaking, I can hear the dripping, and yes there is water seeping down to the kitchen below. I ... [Read more]
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my worcester bosch Highflow 400 will not ignite?

my worcester bosch Highflow 400 will not ignite.
Mend Heating, Home Heating Systems

how do I increase the pressure on worcester bosch highflow 400 combi boiler?

I have a worcester bosch highflow 400 combi boiler, about 14 years old. The hot water cuts in and out when the... [Read more]
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any ideas what the fault is?

I have a Worcester Bosch Highflow 400 boiler. The hot water works fine, the problem is the central heating. Th... [Read more]
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how can i fix my boiler?

the boiler fires up ok but when i turn the c/h on it turns of after about 10 mins. boiler is worcester bo... [Read more]
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Add water to sealed Worcester Bosch Highflow 400 combi boiler?

As the sealed system does not have an expansion tank, we are looking for a screw to turn 90 degrees to let wat... [Read more]
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Upstair steel rads not heating, a little gas but no water when bled?

Upstair steel rads not heating, a little gas but no water when bled. Downstairs cast iron rads working fine, ... [Read more]
Mend Heating, Home Heating Systems

I have a water leak from my Worcester Bosch 400 Highflow electronic?

Water is leaking from somewhere inside the boiler housing,running out underneath. I can hear a dripping noise... [Read more]
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