How to mend ... Combi Boiler Thermostat

Baxi Combi 133 HE Plus boiler-central heating coming on when set not to? ?

Hi, I have a Baxi Combi 133 HE Plus boiler. The heating has started sporadically started coming on this week w... [Read more]

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]

Boiler overheating and tripping?

Hello, I have a alpha combi boiler. Since yesterday, when i try to start the boiler, the flame starts to die... [Read more]

Halstead Finest Combi Boiler Locking Out?

When a hot tap is turned on and the central heating is not on or on demand, the hot water flows whenever a dem... [Read more]

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]

Constant receive alarm on Drayton digistat SCR?

I have a Vaillant Ecotec pro combi-boiler (recently serviced) a thermostat in my hall and a Drayton digistat S... [Read more]

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]

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]

Overheat Thermostat Tripping on Bosch 240 Combi RSF?

Hi, The overheat thermostat keeps tripping on our combi boiler. The pilot will fire, but when central heati... [Read more]

fitting a room stat?

can i connect a seperate room thermostat to a ferroli 77 ff combi boiler

drayton scr not working?

hi i have a combi boiler with drayton wireless thermostat, the stat ans receiver don't seem to be communicatin... [Read more]

how to fix my reno HE30C combi series johnson & starley ?

my boiler is all on. my hot water is fine. but when i flick the switch up to put central heating on its not tu... [Read more]

fix Worcester 350 combi boiler ?

I have a Worcester 350 combi. Heating operates fine. Hot water runs fine except for the shower. Think reduced ... [Read more]

Programming Honeywell CM921?

Hi: The heating engineer installed this unit during installation of a new boiler. This is a 1 day wireless pro... [Read more]

control knobs ferroli modena 80e combi boiler?

hi hot water/thermostat knobs have come off my ferroli modena 80e combi boiler where can i get replacements an... [Read more]

wiring danfoss 103 timer to a danfoss ret230p thermostat?

I have a Sunier Duval SD 620 combi boiler and have a Danfosse 103 timer ~ old but reliable ~ Im fitting a Danf... [Read more]

Ferolli combi boiler - I pressed the wrong button?

I was trying to fix the water temp on my parents' central heating boiler and touched the + and - buttons and t... [Read more]

my worcester 350 combi boiler keeps cutting out?

When running the central heating the boiler runs for approx 10 -15 mins and then the flames go out but the pum... [Read more]

baxi 105e safety thermostat fault light?

my baxi 105e combi boiler is desplaying the safety thermostat fault light. when there is HW or CH demand the... [Read more]

legionnaires disease?

my friends boiler wont turn off when you turn the thermostat on the boiler to the off position, he has been to... [Read more]