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Sabre 29 water pressure drop?

sabre 29 water pressure dropped, how to increase the pressure

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Worcester Greenstar CDi boiler won't fire up the central-h?

flashing green light near the CH select button new batteries in transmitter

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How do i stop the time from flashing on the Siemens RDJ100RF?

How do i stop the time from flashing on the Siemens RDJ100RF unit

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Mend Highflow 400

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We have 56 questions about mending 'highflow 400' in category Heating, Home Heating Systems

How to mend Highflow 400

Pages 3 2 1

Mend boiler heating thermostat

Highflow 400 Boiler not working?

Hi, I moved into a new flat with a Highflow 400 boiler about half a year ago. Its been working mostly fine in ... [Read more]

Mend boiler heating heat exchanger

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]

Mend worcester 400 vessel

Worcester highflow 400 keeps cutting out?

My worcester highflow 400 boiler has been cutting out for the last week or two. We have had 2 engineers out, o... [Read more]

Mend Worcester Bosch Boiler PCB Fault

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]

Mend boiler pressure heating

i need to increase the pressure on my highflow 400 electronic rsf boiler?

i can see the cold water mains inlet valve but not the other end to open or where the water goes. know how to ... [Read more]

Mend central heating hot water Worcester

Worcester Highflow 400 RSF CH or HW but not both?

Boiler about 9 years old serviced regularly. Boiler basically operating OK (programmer, ignition etc.) Can g... [Read more]

Mend boiler heating Worcester Bosch

Worcester Highflow 400 RSF?

looks like we may be without heating and hot water for xmas. Heating stopped working at 8.30pm last night, ji... [Read more]

Mend heating Worcester banging noise

worcester highflow banging noise ?

400 highflow rsf electronic when firing up it starts its cycle then starts banging shuts down and then both re... [Read more]

Mend Worcester Heating Hot Water

how can i keep my boiler on?

worcester highflow 400 electronic boiler will only stay on for 2 mins then clicks off, radiator light flashes ... [Read more]

Mend boiler heating costs

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]

Mend heating combi reset

WE have hot water but no heating (worcester highflow) ?

Hi we have a worcester highflow 400 combi and we have no heating the hot water is working fine. we cannot get ... [Read more]

Mend worcester highflow 400

worcester bosch highflow400?

Hi Ian many thanks for your answer to my question ,will i have to drain the pressure out of the system first b... [Read more]

Mend Worcester Bosch Home Heating Boiler

worcester bosch highflow400?

Hi my boiler is about 9years old it works fine but the pressre gauge goes over 3 bar when heating is on anybod... [Read more]

Mend combi boiler central heating hot water

My central heating boiler keeps tripping out?

My combi boiler keeps tripping out, which means i have no hot water or heating. I can reset it at the boiler a... [Read more]

Mend boiler heating water pressure

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]

Mend boiler heating temperature

CH & HW lights flashing on Worcester 400 Highflow combi?

The CH and HW lights are flashing. Sometimes if you turn the HW temp dial up then down again the HW one stops,... [Read more]

Mend heating hot water worcester

Worcester Highflow 400?

What is wrong if the CH light flashes rapidly, there is an equally rapid ticking from the control mechanism an... [Read more]

Mend boiler hot water water flow rate

Worcester Highflow 400- water too hot, how can I turn it down?

Ever since installation about 5 years ago, the hot water delivered to the taps has been scalding. The hot wate... [Read more]

Mend boiler combi Worcester

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]

Mend combi boiler heating worcester bosch

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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Greenstar 24Ri boiler, fast flashing - can I reset?

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Remove cover off gas boiler?

Mend Heating, Home Heating Systems

How do i stop the time from flashing on the Siemens RDJ100RF?

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