How to mend ... Central Heating Year

why is my central heating on constantly when timer off?

My radiators come on when the hot water timer comes on although the heating timer is off. All the radiators g... [Read more]

Why do the diaphragms in my Vokera XL80sp keep perishing?

Ive had the boiler for about ten years now and its been reliable apart from the main (large) diaphragm in the ... [Read more]

Boiler fires up when demand for hot water but doesn't when demand for C/H?

I have a Potterton Netaheat Profile 80e boiler, Honeywell V4073A mid-position valve, Honeywell ST699B programm... [Read more]

Why is the hot water not working properly?

I have to put the central heating on to get hot water. Also the flow from the water is very weak. The vokera... [Read more]

sludged pump?

Bungalow: Grundfos hot water circulation pump failure. Kitchen around 20mt from storage tank so the pump fa... [Read more]

BAXI COMBI 105e cutting out problem?

3 year old BAXI 105e problem when DHW is selected pressure is 1.1bar all lights on except central heating.temp... [Read more]

Baxi 105e. Central Heating working, no hot water through taps !?

Hi everyone. I've got a 3 year old Baxi Combi 105e, that, for some reason last night, got low water pressure a... [Read more]

no hot water from my halstead combi either! How can I fix it?

I had Halstead combi quatro boiler central heating instaled in 1996. central heating rads fully working but My... [Read more]

problem with potterton suprima 30 boiler?

i live in a 5 year old house.built by wimpy. i moved in 2years ago. since then my potterton suprima 30 boiler ... [Read more]

What is the cause of cold radiators in my top bedrooms?

My central heating works fine and I had a very good make, fully certified combi boiler installed only last yea... [Read more]

Central heating does not reach all radiators?

Profile potterton boiler 60e.We have 8 radiators +1 towel rail fitted in our house.The problem is when heating... [Read more]

How do I relight the pilot light in Potterton Prima Boiler?

My Potterton Prima 60L or 60C (I have no manual and can't read the engineer's handwriting) has stopped working... [Read more]

Vokera - Linea 24 combi boiler have hot water but no Central Heating?

Boiler (Vokera - Linea 24 combi)had been turned off for over a year when recently turned back on it is not fir... [Read more]

No hot water from Vaillant Turbomax 828E?

I am having problems drawing hot water from my Vaillant Turbomax boiler. Sometimes it will be fine but most of... [Read more]

How can I fix my vokera combi boiler ( 14 years old)?

I have very little water flowing through the hot water taps thus the boiler will not ignite. (It ignites if ce... [Read more]

Why does the hot water on my Ravenheat boiler sometimes come out cool?

A Ravenheat 820/20 combi boiler, had diverter valve diaphragm replaced last year as it had perished, now occas... [Read more]

hot water on Sime 80E Combi boiler?

what is likely problem with Sime 80E Combi boiler only giving hot water if room thermostat is calling for hea... [Read more]

Glowworm Swiftflow 80 not heating?

7 Year old glowworm swiftflow 80 (honeywell) has recently got a bit noisy and last week, out of the blue stopp... [Read more]

Puma 80 overheats and shutsdown when DHW switched off?

This 8 year old Potterton Puma 80 has had first a new diverter valve fitted, and now a circuit board, but stil... [Read more]

potterton puma 80?

I run my central heating and the boiler ignites for about 20 seconds then stops. it will not run again for a l... [Read more]