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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 321
Mend boiler working ago

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 bosch hot water
4

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
2

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
2

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 pressure cold water
1

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 heating hot water stopped working

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 banging noise starts
1

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 boiler worcester radiator

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 worcester highflow 400 boiler

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 water heating working light
1

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
1

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 bosch works fine
1

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 central heating boiler combi water
1

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 heating pressure boiler system
2

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 flashing combi temp
4

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 worcester highflow 400
1

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 water hot turn
3

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
6

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
6

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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