How to mend ... Hot Water Boiler Thermostat

Potterton Netaheat 16-22 HW doesn't work without CH?

I have had this problem with our Potterton Netaheat 16-22 Boiler for a while now. It is fine during the winter... [Read more]

ideal isar combination boiler radiators keep getting hot!?

Hi My radiators heat up when they shouldnt especially when running the hot tap. Also the water runs hot and th... [Read more]

How can I fix my deal Isar combinaton boiler? The radiators keep heating up?

The radiators in our house keep comming on when they are not supposed to especially when we are running the ho... [Read more]

Ariston micro Genus A 03 fault?

Heating / Hot Water not working - temp display giving what appears to be random numbers from 20 upto 99 and ba... [Read more]

hot water but no heating?

hello. i have a worcester danesmoor oil boiler, its a sealed system, honeywell st699b programer honeywell V... [Read more]

Towerstat Receiver and Transmitter both look fine but boiler not firing up?

Hi I have a Towerstat RF fitted on a Heatline Boiler. Boiler appears fine, firing up for hot water etc wh... [Read more]

Ravenheat 85t?

Can anyone help my Ravenheat boiler will start and fire up on central heating but after a few seconds shuts do... [Read more]

Cannot turn heating off?

I have just moved into a house with a Vaillient combi boiler. I cannot turn the heating off by any means, I h... [Read more]

Cannot turn radiators off,?

I have just moved into a house with a Vaillant boiler. I cannot turn the heating off by any means. I have tr... [Read more]

Vaillant EcoTec Pro 28 - Hot water but no Heating?

Hi All I have the error s31 coming up on my boiler. This seems to point towards the thermostat being faulty... [Read more]

Vaillant EcoTec Pro 28 - Hot water but no Heating?

Hi All I have the error s31 coming up on my boiler. This seems to point towards the thermostat being faulty... [Read more]

low water pressure F28 lockout, Vaillant Turbomax plus 828E ?

Hi guys, Hope you can help. I've viewed all the relevant and some of the irrelevant posts on similar subjects ... [Read more]

hot water too hot ?

we have a glowworm spacesaver .the hot water from the tank is scalding all the time could it be the thermostat... [Read more]

combi boiler water not very hot?

thermostat turned up full not very hot

My Potterton 80e often doesn't start up anyone know why?

My Potterton 80e gas central heating and hot water boiler often won't fire up on its own . We tend to have ... [Read more]

Flood due to boiler ???

A few weeks ago we noticed warm/hot water pouring out of the eaves of our house, upon inspection we found that... [Read more]

Vokera linea ag plus. Domestic hot water cycling hot and cold?

I have the same problem with taps or showers. Checked again and its not just the showers, hot tap turned on an... [Read more]

how can I fix my glow worm energy saver 50?

The boiler keeps tripping the electric,we have replaced the thermostat and it worked fine for 2 days.We have r... [Read more]

Potterton Promax 24/2 PROBLEM - HOT WATER OK BUT NO HEATING?

We have had this boiler for about 2 yrs. I have the heating on constant with the thermostat controilling tempe... [Read more]

I have a C28 Heatline condensing boiler with the Overheat Safety Thermostat?

I have a C28 Heatline condensing boiler with the Overheat Safety Thermostat light flashing red. It says to che... [Read more]