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Mend Heating, Home Heating Systems

Worcester Bosch 28i condenser boiler losing pressure?

New boiler fitted in May this year has continually lost pressure - now found the venting pipe outside is relea... [Read more]
Mend Heating, Home Heating Systems

my worcester bosch greenstar is screaming ater bleeding the radiators!?

my worcester bosch greenstar is screaming after bleeding the radiators. How do I fix it? I have a key and th... [Read more]
Mend Heating, Home Heating Systems

worcester bosch gas boiler 28si ll?

pressure gauge on zero bar, how do i bleed system?
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]
Mend Heating, Home Heating Systems

Worcester Bosch Boiler?

We had to drain the system to install two new radiators. Since putting the system back on the system seemed t... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch 240?

What are the optimum settings for the Worcester Bosch 240 Combi Domestic Boiler. The pressure setting is at... [Read more]
Mend Heating, Home Heating Systems

System Pressure keeps building in worcester bosch 28cdi?

The system pressure keeps going above 4 bar until I release water through valve in radiator, with hot water of... [Read more]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

Gravity shower goes hot and cold?

Had a radiator removed by plumber and since then the shower runs hot and then very cold then very hot again. ... [Read more]
Mend Heating, Home Heating Systems

worcester bosch heatslave 20/25 oilfired boiler?

when hot water or central heating are running bar pressure rises over 3 bar and overflow active . when unit l... [Read more]
Mend Heating, Home Heating Systems

worcester bosch heatslave 20/25?

bar pressure rises to 3 and overflow active when cold drops back to normal 1 bar
Mend Heating, Home Heating Systems

Worcester Bosch Oil Heatslave 20/25 two years old?

Can not get the central heating to work; the water pump does not seem to be running. Hot water fine. Had a lon... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch Heatslave 15/19, No water pressure?

I realise that mains water is needed to increase pressure, but I can't see any valves or connections where i ... [Read more]
Mend Heating, Home Heating Systems

how do i increase the water pressure on a worcester bosch 35cdi II boiler?

how can i increase the water pressure on a worcester bosch 35cdi II boiler.... the pressure is on 0 and not h... [Read more]
Mend Heating, Home Heating Systems

How do I increase boiler pressure /?

I have had a Worcester Bosch combi boiler for 8months and notice the pressure gauge has dropped to just above ... [Read more]
Mend Heating, Home Heating Systems

Combi stops firing for hot water when cold tap turned on?

Hi I have a Worcester Bosch Thermotechnik combi - on the boiler casing is a Bosch-stamped cert saying it is... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch 35CDi II - hot water fault?

After coming back from holiday we found that our boiler will only heat the hot water when the tap is turned fu... [Read more]
Mend Heating, Home Heating Systems

worcester 24I junior losing pressure?

I have a static caravan with a Worcester 24I Junior boiler. The pressure gauge goes down slowly over a period... [Read more]
Mend Heating, Home Heating Systems

Worcester bosch 28si lockout?

My Worcester 28si keeps locking out shortly after firing. I have ruled out primary sensor, dhw sensor, fan ai... [Read more]
Mend Heating, Oil Filled Radiators

how do i fix my worcester bosch 230 boiler?

my boiler currently has no pressure and is becoming a regular problem and so i have no hot water or heating, b... [Read more]
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