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We have 1247 questions about mending 'boiler thermostat'

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Why Will My Potterton Boiler not control the radiatiors properly?

My Potterton Boiler controlled by a ep2000 controller does not appear to be shutting down properly! After swit... [Read more]
Mend Heating, Home Heating Systems

Hot Water but no Central Heating?

Hi - I have a Glow-worm Hideway. I have a control box/timer which controls both HW and CH. I usually have the ... [Read more]
Mend Heating, Home Heating Systems

Thermostat not triggering my boiler?

The boiler is firing up as normal to heat the water tank, but its as though the thermostat is telling the boil... [Read more]
Mend Heating, Home Heating Systems

wireless thermostat not triggering boiler?

last winter I had fitted a new boiler. They also put in a wireless thermostat. It worked fine and hten I tur... [Read more]
Mend Heating, Home Heating Systems

how to reset sunvic thermostat?

how do i reset my sunvic rf digital thermostat after changing the batteries,it won't comunicate with the boile... [Read more]
Mend Heating, Home Heating Systems

Vokera 20-80 r.s flowmatic?

Hi all I am struggling, i have moved into a rented house with the above boiler. I seem to have to have the h... [Read more]
Mend Heating, Home Heating Systems

Hot Water but no CH Potterton Netaheat Profile 30e-80e?

In the last day or so we have noticed that we are getting hot water but no Central Heating (rads are cold etc.... [Read more]
Mend Heating, Home Heating Systems

OPTIMA 701 Ferrori heating problem?

Everything is fine but not heating system. My thermostat is on +17.5C, in room was +15.5C Boiler switched on... [Read more]
Mend Heating, Home Heating Systems

Digistat+2RF Programmable Room Thermostat Wireless System ?

I have the system named and it appears to be working whem you look at it but it does not seem to be sending a ... [Read more]
Mend Heating, Home Heating Systems

How can i fix my ideal classic ff250 boiler?

I have a IDEAL CLASSIC FF250 central heating boiler that has stopped working - when the ignition switch is put... [Read more]
Mend Heating, Home Heating Systems

Potterton Promax 24 HE - Heating without hot water problem?

Hi, I have a Potterton Promax 24 HE boiler on a pumped system. Since the start of the recent cold weather I ha... [Read more]
Mend Heating, Home Heating Systems

How can I fix my baxi solo 50 boiler?

The ignition spark is working but the boiler just will not fire up. The thermostat is fully up. Do not know wh... [Read more]
Mend Heating, Home Heating Systems

HOW CAN I FIX A DIGISTAT RF1 WIRELESS THERMOSTAT?

Hi, The red light on the receiver is constantly flashing (happened after a power cut). The batteries in the ... [Read more]
Mend Heating, Home Heating Systems

Why do my upstairs radiators not get hot?

We have moved and we cannot get the upstairs radiators to get hot (or even warm). The downstairs raidiators se... [Read more]
Mend Heating, Home Heating Systems

grant 70/90 outdoor, sealed system boiler?

I have been losing pressure and some water from system for some time now could'nt find a leak any where indoor... [Read more]
Mend Heating, Home Heating Systems

DIGISTAT RF1?

My digistat rf1 has a display of 17 with a candle to the side of it.I turn my central heating thermostat on an... [Read more]
Mend Heating, Home Heating Systems

Can I put a room thermostat on an old Elite 50 boiler!?

I have an old elite 50 boiler which does not have a room thermostat. This means that when the boiler is on the... [Read more]
Mend Heating, Home Heating Systems

Boiler cycling - 10 seconds on 10 seconds off?

Myson apollo 30si, CH only, boiler thermostat on low, no room stat, radiator stat's on 4 radiators - 2 without... [Read more]
Mend Heating, Home Heating Systems

Thermostats?

I have just recently had my central heating checked after a few radiator TRV's had become stuck. The engineer... [Read more]
Mend Heating, Home Heating Systems

My boiler has no thermostat connected. This is surely wrong?

I have just rented a house and found that there is no central heating thermostat connected. The landlord assur... [Read more]

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