How to mend ... Thermostat Indicates Room Temperature

How do I overcome thermostat response delays in my underfloor heating?

I have a new house with hot water underfloor heating and 8 zones. Some zones have ceramic floor tiles and tak... [Read more]

Vaillant powermax ?

Am having a problem with my central heating. I can't seem to get the temperature of the house to be any more ... [Read more]

How can I stop one radiator overheating?

I have Oil CH. With no Room thermostat. But each radiator has a temperature control (1-8etc.) One of our radia... [Read more]

Ariston Microgenus 27 remain ON all the time?

I have noticed the my combi boiler Ariston Microgenus 27 seem to remain ON at all times ?............ is this... [Read more]

Drayton Digistat 1?

For the 1st time since I moved in to my house I had to change the batteries in my Drayton Digistat 1 (the old ... [Read more]

Vokera flowmatic 20/80 not igniting on call for DHW or CH?

System was working and, on noticing temperature drop in the room found that pilot light is lit, fan is operati... [Read more]

How can I fix my boiler, ravenheat silver star LS 80- LS 80 T?

The boiler has a room thermostat connected to it but when you set the room thermostat to the temperature neede... [Read more]

Boiler not firing up in central heating but ok in hot water?

I tried to install a room thermostat, whne i turned it on it blew the fuse, i changed the fuse but the central... [Read more]

How can I fix my Potterton Profile 60E boiler?

I have a Potterton Profile 60E. The boiler keeps kicking in on a regular basis although the thermostat is set ... [Read more]

Vaillant turbomax VUW/GB282/1E heating fault?

I was called to take a look at this particular model earlier today and whilst waiting for a response from Vail... [Read more]

Should the flue from my Ariston A30 MFFi be dripping? (and other questions)?

I have recently had an Ariston Combi A30 MFFi installed. The flue is located a good height above my downstairs... [Read more]

Why does the Hawk II Optima keep turning on central heating without request?

I have a Hawk II Optima combi boiler which is around 10yrs old. I've pushed the selector switch to the disable... [Read more]

My boiler is heating the hot water but not the radiators?

I have a Glow-worm conventional boiler but at the moment the boiler is heating the hot water but not the centr... [Read more]

Cold radiators Ferroli Optimax 25c?

My newly installed combi gives instant hot water from the tap but I have to turn my room stat up to 30 before ... [Read more]

Can I fit a room thermostat to my Sime Super 90 boiler?

This boiler works well but is a nuisance to control the living room temperature by using the boiler heat contr... [Read more]

Central Heating Control?

Every ten days or so the central heating system ignores the programming set into the clpock programme. It rem... [Read more]

potterton profile 60e?

Hi i have a problem with my.the boiler stays on all the time even when the room thermostat has reached its tem... [Read more]

problem replacing my room thermostat?

Had an old analogue dial thermostat. Now bought a new one(Horstmann) - programmable to allow lower night temp.... [Read more]

Radiators take about 3/4 hours to get hot?

The boiler is Potterton Netaheat 10-14 (48k BTU). The temperature control is at max on boiler and room thermos... [Read more]

Hot water only when radiators are being heated?

I have a combi boiler which only now heats water when the room thermostat is under the set temperature and is ... [Read more]