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Mend Heating, Home Heating Systems

No heating, but Hot Water works fine Vaillant VuW 242 failure: F.28 ?

In my case F.28 comes ONLY if heating needs to start. If I open the hot water tap during CH ignition attempt,... [Read more]
Mend Heating, Home Heating Systems

ace high boiler problem?

replaced diaphram and diverter valve service kit , ch working ok , in dhw only mode both central he... [Read more]
Mend Heating, Home Heating Systems

Halstead (Wicks) combi 102 CH failier?

I have a Halstead 102 combi and it has started to fail when ch is switches on - if it is running it may run fo... [Read more]
Mend Heating, Home Heating Systems

centrel heating boiler problem?

when hot water is not in use and ch switch is on minimum the disply panel shows c instead of o and the pump ke... [Read more]
Mend Heating, Home Heating Systems

Ravenheat CSI 85A fires up then goes out on CH?

Help, I have a CSI 85A which when you call for central heating fires up for around 6 seconds then goes out the... [Read more]
Mend Heating, Home Heating Systems

Vaillant Pro 28. Rads get warm when hot water is run?

I recently had error code F75. Pressure was low and boiler locked out. I put pressure right and turned boiler ... [Read more]
Mend Heating, Home Heating Systems

Ravenheat 85T Boiler continually stop starting?

Hi, looks like I've made a bad purchase with a Ravenheat boiler CSI 85T ( 14 months old) . Boiler works ok in... [Read more]
Mend Heating, Home Heating Systems

no hot water from shower?

i have a mira shower (mains) and i have no hot water the ch system works as do my hot taps when i turn on the ... [Read more]
Mend Heating, Home Heating Systems

Potterton Netaheat 16-22 HW doesn't work without CH?

I have had this problem with our Potterton Netaheat 16-22 Boiler for a while now. It is fine during the winter... [Read more]
Mend Heating, Home Heating Systems

f9 flashing on combi boiler 30ci glowworm ?

the light flashes red intermittantly. the pressure is ok at 1.2 bar . we have CH . when the water is on it is ... [Read more]
Mend Heating, Home Heating Systems

I have a Ideal Classic NF 30,fires up but no hot water?

I adjusted something at the top of the boiler which has 3 settings, I thought it was the speed of the pump, ma... [Read more]
Mend Heating, Home Heating Systems

how to check the pump on a worcester 28si boiler?

i want to know if the pumps going on my boiler. the ch is still working and hot water still working but wont w... [Read more]
Mend Heating, Home Heating Systems

Ravenheat boiler with no hot water?

Have a CSI 85..CH is working fine but hot water is non existent. Started out intermittent.. Boiler fires up ... [Read more]
Mend Heating, Home Heating Systems

Potterton Suprima 60?

Works ok with CH but when hot water kicks in boiler locks out. When reset it works ok again until more hot wat... [Read more]
Mend Heating, Home Heating Systems

brittany combi se 80 hot water fault?

guys, i have the above boiler, and before xmas had a problem where i had no hot water, i called an engineer w... [Read more]
Mend Heating, Home Heating Systems

RAVENHEAT ls100t - warm water only, heating ok?

Hello, I'm hoping someone may be able to help. My combi boiler was fitted around 6 years ago, and after two ... [Read more]
Mend Heating, Home Heating Systems

Potterton Performa 28 intermittent hot water ?

Hot water cuts out but CH works fine. Sower makes funny noise just before water going cold then again when th... [Read more]
Mend Heating, Home Heating Systems

ferroli bioler banging?

I have a ferroli DOMIcompact24 b boiler. When the boiler is not on, the pressure dial is about 1 bar. But ... [Read more]
Mend Heating, Home Heating Systems

no hot water vailant boiler?

the CH side works fine but we get little or no hot water whether the CH is on or not, when the hot tap is turn... [Read more]
Mend D.I.Y, Plumbing

VOLKERA LINEA MAX FLOOR STANDING FROM HELL?

10 YEAR OLD. Lots of parts replaced by British gas BUT .... Get hot water okay but little or no heat to rads.... [Read more]

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