How to mend ... Hot Water Summer Cold

Programming Honeywell CM921?

Hi: The heating engineer installed this unit during installation of a new boiler. This is a 1 day wireless pro... [Read more]

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]

why does the hot water only work when the central heating is turned on?

Why does the hot water only work when the central heating is turned on.The central heating summer/winter switc... [Read more]

FERROLLI DOMINA 80E PROBLEM STARTING IN THE COLD?

Boiler tries to start up fan goes,sparking ok, then makes a ocoilating noise and goes into red fault lock out ... [Read more]

Saunier duvall boiler f24e - water pressure drops only when too cold?

For most of the year everything is ok with my boiler (saunier duvall thermaclassic 24e), but when its really r... [Read more]

Only one radiator not working?

Hi This is puzzling me! My hot water system works fine no system problems at all. Except one radiator (... [Read more]

Potterton Promax combi not working after re-pressurisation?

We had a new kitchen fitted in summer which meant the removal of a radiator. The workmen replaced it but never... [Read more]

hot water?

in summer hot water o.k. in winter no hot water untill heating has been on a while and then sometimes hot wate... [Read more]

oil fired boiler problem?

Myson Velaire boiler works all summer on hot water system but as soon as you turn on the cental heating syste... [Read more]

Potterton Netaheat Radiators working, but no hot water?

I have Potterton Netaheat 16-22 Mk11, during cold weather boiler heats both radiators and hot water, but in wa... [Read more]

Do I have to bleed my Potterton Kingfisher and from where?

Please help. I have my heating and hot water from my boiler. I drained the system down to remove a radiator. O... [Read more]

Hot rads?

The c/heating boiler has just had it's annual inspection by British Gas and the engineer checked all rads and ... [Read more]

Can I change a radiator valve without draining the system?

Hi, I have an old gravity hot water pumped heating system, the boiler is a reliable, but expensive, Vulcan Con... [Read more]

Boiler not firing up. Help please im cold !?

Help, I have a Glowworm SpaceSaver 52, The boiler apart from hot water has been mostly off during the summer, ... [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]

Pipework Mix Up?

Hi there I recently relocated some pipework so that I could fit more ceiling joists to reinforce our loft conv... [Read more]

Sime Format C - Are we the only ones ?

My Sime Format C 100 seems to have hot water for a while and then goes cold. Furthermore the summer setting d... [Read more]

Ferroli Optima 901 -Intermittent Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing intermittent problems with no ... [Read more]

Ferroli Optima 901 -Intermittent Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing intermittent problems with no ... [Read more]

Fixing a Baxi 105e Combi which reports a fault when cold, works when reset?

Hi - this has baffled me and the heating engineer I've called in to look at it. My Baxi 105e has been reportin... [Read more]