How to mend ... Boiler Temperature Cold

valliant combi boiler?

it appears to be working properly,but two of the radiators just dont heat up, the bottom of the raids stay col... [Read more]

Why does the water go from hot to cold every few seconds?

We have a Vokera Compact 28 boiler, when we turn on the taps, or the shower the water doesnt stay warm for lon... [Read more]

potterton performa 24 problem?

i have a potterton performa 24 boiler, from cold it works great but once up to temp it switches off, pump over... [Read more]

Rayburn Driven Central Heating Problem - Upstairs Cold?

I have a Rayburn Gas CH system with a seperate pump. The cooker / boiler is in the basement kitchen with 3 ra... [Read more]

Riello RDB2 oil burner wont ignite when hot?

I have a Riello RDB2 burner in my boiler. After fuel running out and subsequent re-fill the burner ceased func... [Read more]

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]

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]

worcester 28i rsf combi problem?

Hi there, i have a worcester 28i rsf combi boiler and over the past few days when i use the hot water the temp... [Read more]

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]

Vokera linea 24 pressure problem?

I have a problem with my Vokera boiler, when cold the pressure will drop to almost zero, if I top up the press... [Read more]

Combi Gas Boiler?

My boiler is turned up to maximum on both domestic hot water and radiator temperature. The DHW is warm to medi... [Read more]

How can i fix my protherm 100E?

evey now and then when turn hot water no it goes F1, or after been running for short time will just go cold. ... [Read more]

No Hot Water At All?

Hi, I am having problems with my hot water - both central heating and hot water from the taps. The water from ... [Read more]

My Ideal Isar HE35 gone cold...help?

I have an Ideal Isar HE35 combi boiler. When running a bath or shower the temperature goes from hot to cold a... [Read more]

Chaffoteaux Britony Combe SE - inconsistent water temperature?

I have recently had a new PCB fitted to my Britony Combe SE boiler and since it has been fitted the hot water ... [Read more]

Central Heating problem?

Hello all, I have a glow Worm spacesaver and the problem is that when I put the heating on,the boiler fires u... [Read more]

Sime super 90 overtemp trip?

My boiler is working fine for the CH side of things. When I run hot water the overtemperture trip goes after a... [Read more]

What can I do?

Hi There, I have recently replaced my shower system with a thermostatic valve. I have a gas bolier in the kitc... [Read more]

Saunier duval Thema F23E. Hot water does not stay constant?

My boiler gas comes on when the water is turned on but goes off after about 30 seconds. The hot water pipes in... [Read more]

Boiler Problem?

I have a Glow-Worm Ultimate 120FF central heating boiler that stopped working last week. Under my Direct Line ... [Read more]