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We have 138 questions about mending 'calling hot water'

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Mend Heating, Home Heating Systems

how can i fix my Glow-worm boiler?

Glow-worm electronic went to lock down but after reset it is constantly calling for hot water even when taps ... [Read more]
Mend Heating, Home Heating Systems

Baxi SOLO, New Fitted in 1991- pilot lights but will not stay on?

The hot water and central heating system was operating as normal but then we noticed that the hot water had go... [Read more]
Mend Heating, Home Heating Systems

glow worm 50?

i have glowworm micron 50works ok when it calls for hot water but will not always fire up for central heating ... [Read more]
Mend Heating, Home Heating Systems

Glowwork Ultimate 50 boiler - pilot keeps going out?

The pilot light keep going out but immediately relights itself so I am getting hot water and heating. I have h... [Read more]
Mend Heating, Home Heating Systems

Potterton Suprima/Suprima L. constant central heating?

We cannot get our central heating to switch off unless we switch off the boiler. When calling for hot water on... [Read more]
Mend Heating, Home Heating Systems

Boiler doesn't fire up when calling for hot water. Ferroli Modena 80e?

I turned water off to change a tap washer. Since turning water back on, the boiler will not fire up when I tur... [Read more]
Mend Heating, Home Heating Systems

how to fix my vaillant 242 e-h combi(fires up when not req)?

My boiler fires up every couple of minutes for about 10 seconds then shuts down again,there is nothing in the ... [Read more]
Mend Heating, Home Heating Systems

How can Ifix my Vokera 12-48 RSE Mynute Combi boiler?

When the power is switched on with the thermostat calling for heat, the fan immediately comes on but the boile... [Read more]
Mend Heating, Home Heating Systems

back boiler problem?

hi have just moved into an old house with a back boiler and storage tank. not getting any hot water and when c... [Read more]
Mend Heating, Home Heating Systems

Glowworm back boiler & open fire Problems with lighting & Dust?

We have had our glowworm inset bbu50 open fire and back boiler for 7 years. We have had numerous problems, 2 ... [Read more]
Mend Heating, Home Heating Systems

Ravenheat CSI 85AT boiler tripping problem?

Ravenheat condensing combi boiler CSI 85AT fault? My 1.5 year old boiler has developed a random & intermitt... [Read more]
Mend Heating, Home Heating Systems

Ravenheat condensing combi boiler CSI 85AT fault?

My 1.5 year old boiler has developed a random & intermittent tripping fault, in both modes of heating (i.e. CH... [Read more]
Mend Heating, Home Heating Systems

No hot water but central heating works on my Vaillant TURBOmax VUW 242E, 28?

Boiler does not ignite when hot water taps turned on but central heating does turn on. Can I fix this without... [Read more]
Mend Heating, Home Heating Systems

vokera mynute 14se?

my boiler fire's up when not calling for heat or hot water and my pump is always runing, engineer has changed ... [Read more]
Mend Heating, Home Heating Systems

hot water on Sime 80E Combi boiler?

what is likely problem with Sime 80E Combi boiler only giving hot water if room thermostat is calling for hea... [Read more]
Mend Heating, Home Heating Systems

radiators coming on when not needed?

my cental haeting ia playing up , i think th esyncro motor is perhaps sticking ie not fully shuting off heatin... [Read more]
Mend Heating, Home Heating Systems

Vokera Maxin 24e & 28e. domestic hot water problem?

The domestic hot water is not working at a constant temp or may not work at all, wheather the heating is on or... [Read more]
Mend Heating, Home Heating Systems

Vaillant turbomax vuw hws problem ignition indicator flashes?

When calling for hot water the boiler does not kick in and ignition indicator flashes but it can be resolved b... [Read more]
Mend Heating, Home Heating Systems

Potterton Boiler?

Jack, Calling a qualified Corgi engineer to service the boiler and give me a certificate was the first thin... [Read more]
Mend Heating, Home Heating Systems

Potterton Puma 80 - hot water ok, but no C/H, bypass Temperature Sensor?

My Potterton Puma 80 C/H has decided to stop working. It started up first thing this morning, then after 30... [Read more]
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