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We have 204 questions about mending 'boiler thermostat heat'

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Mend Heating, Home Heating Systems

Isar HE30 combi boiler?

Have a problem with my boiler, its been ok for the three years I have had it, but lately when I have a shower ... [Read more]
Mend Heating, Home Heating Systems

how can i fix my britony 80/100 combi?

my central heating is fine. the hot water fluxuates between hot and cool. there is also a loud groaning noice ... [Read more]
Mend Heating, Home Heating Systems

Potterton Profile 80E?

My boiler is approx. 8 years old. When the hall thermostat calls for heat you can hear the boiler try to start... [Read more]
Mend Heating, Home Heating Systems

Siemens RDH10-RF Wireless sensitivity issue?

the thermostat seems to take a long time to follow the air temperature and also if yo set it to 20 Degrees it ... [Read more]
Mend Heating, Home Heating Systems

cannot locate the thermostat reset button?

i have a saunier duval thema f23 combi boiler british gas has fit a new heat exchanger and pump we still get a... [Read more]
Mend Heating, Home Heating Systems

Central heating Potterton Promax Combi HE boiler has gone down - no heat at?

Hi, can you please advise how I can fix my central heating which has gone off and showing fault E119 low syste... [Read more]
Mend Heating, Home Heating Systems

I have a Worcester Greenstar 24Ri that constantly runs?

Why does it keep running? British Gas inspected it and said that it works from a thermostat and if the temper... [Read more]
Mend Heating, Home Heating Systems

Oil fired worcester bosch heatslave boiler not igniting?

After 3 hour power loss/low voltege (84v) boiler would not ignite. Checked fuses, ok. Pressed both reset butto... [Read more]
Mend Heating, Home Heating Systems

I have a Potterton Profile 80E which does not bump up?

I have a Potterton Profile 80E which fails to bump up when I set the heating thermostat to call for heat or ru... [Read more]
Mend Heating, Home Heating Systems

how to fix my boiler?

Have Potterton Profile boiler model 50e. Central heating will only work when water requirement is programmed t... [Read more]
Mend Heating, Home Heating Systems

how can i fix my ideal mexico rs 125?

hi there i have an ideal mexico rs 125 all of a sudden i have no heating, the pilot is on in fact i accidently... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Baxi Bermuda 57/3M back boiler? ?

My Baxi Bermuda 57/3M back boiler doesn't heat the radiators. The boiler flame only lights up for approx 1 min... [Read more]
Mend Heating, Home Heating Systems

Central heating confusion?

I seem to only get hot radiators while my boiler heats my hot water but as soon as that get to temprature even... [Read more]
Mend Heating, Home Heating Systems

How can I upgrade my Worcester 350 heater control?

We have a Worcester 350 combi-boiler with a UT2 single-channel time switch to control the central heating. Tem... [Read more]
Mend Heating, Home Heating Systems

S Plan Plus System and Vaillant ecoTEC plus 831?

Vaillant ecoTEC plus 831 boiler is in and running the house heating and water. Control of heating is only by... [Read more]
Mend Heating, Home Heating Systems

how do i replace the heating thermostat worcester 20/25?

Boiler thermostat for worcester 20/25 heatslave combi boiler has just broken. it goes round all the way and do... [Read more]
Mend Heating, Home Heating Systems

Micron 60FF snag (Glow Worm)?

Hi all. Micron 60FF playing up. Boiler works fine but ignores the thermostats and runs almost continuously u... [Read more]
Mend Heating, Home Heating Systems

greenstar 24i junior ?

3 story house boiler on first floor thermostat in lounge on ground floor heat on first and second floors is fi... [Read more]
Mend Heating, Home Heating Systems

How can I optimize settings on Glow Worm Ultra com 30cxi? ?

Boiler was installed 3 winters ago. First winter very poor, rads took hours to heat and boiler was off when th... [Read more]
Mend Heating, Home Heating Systems

Halstead Ace High boiler central heating cuts out before thermostat tempera?

Hi, my Halstead Ace High boiler central heating cuts out before thermostat temperature. Hot water works fine a... [Read more]
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