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Mend 30 boiler fire flashing
2

Worcester 30 Cadillac combi boiler won’t fire up and the EA?

my worcester 30 cdi combi combi boiler wont fire up and ''ea'' keeps flashing? my worcester 30 cdi combi bo... [Read more]
Mend Heating, Home Heating Systems
1

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

Greenstar 24Ri boiler won't light and the blue light is fast flashing. From the manual I can see that the iss... [Read more]
Mend Heating, Home Heating Systems
1

Oil fired boiler thermostat?

I have a Velaire 110/135 oil fired domestic boiler. I think the boiler thermostat may be faulty. The manual sa... [Read more]
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Mend Highflow 400

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We have 51 questions about mending 'highflow 400' in category Heating, Home Heating Systems

How to mend Highflow 400

Pages 321
Mend worcester 400 flow

i have worcester highflow 400 electronic?

the return flow on rad pipe take a long time to heat up is there a filter on the return to boiler and does it ... [Read more]
Mend best change valve
1

What's the best way to change a diverter valve on a Worcester highflow 400 ?

What's the best way to change the diverter valve on my 2002 Worcester highflow 400 rsf electronic ignition.
Mend hot advise boiler
1

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]
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 Heating, Home Heating Systems
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 rsf boiler problem
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 400 ch not both

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 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 water worcester red
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 bosch combi working hello
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]
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Remove boiler cover?
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Remove cover off gas boiler?
Mend worcester boiler radiators months

Worcester boiler dripping water?
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Siemens RDJ10RF thermostat problem?
Mend vaillant f22 water hot

Vaillant ecotec 831 plus?
Mend Heating, Home Heating Systems

Oil fired boiler thermostat?
Mend Heating, Home Heating Systems

Greenstar 24Ri boiler, fast flashing - can I reset?
Mend 30 boiler fire flashing

Worcester 30 Cadillac combi boiler won’t fire up and the EA?
Mend Heating, Home Heating Systems

How to fix my fireplace?

How to mend ...

Mend Baxi Mend Bosch Mend Boulter Mend Britony Mend Dimplex Mend Drayton Mend Ferroli Mend Halstead Mend Heatline Mend Kohlangaz Mend Myson Mend Potterton Mend Remeha Mend Siemens Mend Switchmaster Mend Vaillant Mend Vokera Mend Worcester

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