How to mend ... Hot Water Boiler Thermostat

What is the fault with my Ariston boiler DIA 20/24 MFFI CE Type C?

I have the above installed in my house, i have changed my thermostat but my boiler will run for around 20minut... [Read more]

Ideal Icos Boiler, Heatrae Sadia CL170, Reliance Pressure gauge?

My CH/HW system consists of the above components plus a room thermostat and control panel beside the boiler. A... [Read more]

how can i fix my worcester bosch 24i rsf boiler?

in need of some help with my boiler please, i cant get ch to work unless i turn the hot tap on to let the boil... [Read more]

I have a worcester 24cdi combi boiler ?

My combi boiler only gives me hot water if the thermostat is turned on to operate the radiators the boiler doe... [Read more]

Rad hot even when boiler on hot water only setting?

Main radiator (in room with room thermostat has 2 locksheild valves) is always warm/hot even when combi (voker... [Read more]

worcest danesmoor oil boiler locking out?

i have a worcester danesmoor oil boiler it runs fine until thermostat stops boiler. the air fan keeps running ... [Read more]

Central Heating and Water on continuously?

New CH pump fitted a month ago by a registered plumber. Since then the Central heating and water runs continuo... [Read more]

New Glowworm 24c betacom- not heating radiators?

We had a brand new Glowworm 24c beta com combi boiler installed last week, with a digital thermostat in the li... [Read more]

Boiler switches off water heating when the central heating is due to come o?

When the heating is timed to come on the light flashes but no heat appears and at the same time the water ceas... [Read more]

Heating system failing but boiler ok??

My thermostat is reading 17, and having been set to 20, the heating should be on. A flame is showing on the th... [Read more]

Hot water in header tank?

I have gas central heating.I noticed this week that hot water is entering the small header tank in the loft th... [Read more]

Would router interfere with wireless room thermostat?

Our room thermostat ( Honeywell) has ceased to communicate with our boiler.This coincides with having a router... [Read more]

Ideal Classic NF?

Hi a bit of an odd one, boiler will fire and run on hot water, it will only fire and run on heating on occasio... [Read more]

No heating, but hot water. Boiler tells me there is ' NO demand for heat'?

I have a Vaillant ECOtec plus combination boiler. I rang Vaillant and they asked me to make various checks. T... [Read more]

How can i fix my Vokera 20/80 rs flowmatic boiler?

I am having problem with my Dhw water,it heats up and carry's on heating water get very hot does not go to low... [Read more]

How can get hotwater from my Junkers Hydropower?

How can I fix my HydroPower boiler. The display shows that the water is hot but when it comes out of the tap ... [Read more]

No heating but got hot water?

I have hot water but no heating. Thermostat is on, timer is on but the boiler won't fire up for the heating. I... [Read more]

Vokera Unica 28 HE error code 01?

When boiler set to economy the boiler appears to have a mind of its own. It does not respond to the thermostat... [Read more]

How can I mend my Danfoss thermostatic cylinder control valve?

Danfoss have just told me that my Thermostatic cylinder control 2 part valve and thermostat 22mm, gravity fed,... [Read more]

How can I make the central heating start?

What does the code d2 mean on the ferroli optimax HE31C combi boiler? The hot water works well. We have put ... [Read more]