How to mend ... Hot Water Flow Heating

when i turn on the hot tap the boiler lights but the water does not get hot?

my C&M britony combi 80 boiler lights up when i turn on the hot tap but water only warms slightly. i have allr... [Read more]

How do I replace thermocouple on Johnson & starley J25-32 Mk3 modair flow?

This thermocouple is for the hot air central heating. The thermo for the hot water is OK. When I light the pil... [Read more]

johnson & starley model J25 - 32 Mk3 modair flow?

Hot water is ok but pilot light on c/heating goes out when I release the button.

Worcester 350 combi not heating domestic hot water?

I have a worcester 350 combi that works ok on the central heating side, but randomly fails to light when drawi... [Read more]

honeywell 4073A 3 position diverter.how do I fix this?

My Diverter valve is not changing from central heating to hotwater. there is a manual over ride,but nothing ... [Read more]

Why does my Potterton Lynx boiler not work? Please help a single mum!!?

Recently moved into new house and told water and heating working fine (although due to weather I haven't had t... [Read more]

Combi stops firing for hot water when cold tap turned on?

Hi I have a Worcester Bosch Thermotechnik combi - on the boiler casing is a Bosch-stamped cert saying it is... [Read more]

volkera compact 28 combi boiler?

hi the heating works but no hot water any ideas,is it the water flow sensor/diaphram???? many thanks

How can I fix a Potterton Prima F Boiler?

I have a Prima F Boiler. The problem I am having is when I call for either hot water or central heating the f... [Read more]

does anyone know hy my vokera linea 24 cycles on and off?

my boiler lights the goes out every 5 or 6 seconds on heating and hot water flow and return clear pump running... [Read more]

My Potterton Profile 60e LPG will not fire up?

When the heating or hot water triggers, the fan starts, the lighter clicks and the pilot lights up, but the ma... [Read more]

glowworm swift flow 80 (honeywell) combi boiler?

hiya my central heating wont work, i've tried bleeding the rads and all seem ok but i think there may be an a... [Read more]

Worcester Bosch 35CDi II - hot water fault?

After coming back from holiday we found that our boiler will only heat the hot water when the tap is turned fu... [Read more]

Baxi 80E heating is on constantly even with timer switch in off position?

Central heating pump is constantly running. Boiler lights up intermittently, runs for few seconds, then flame ... [Read more]

Failing hot water on a Saunier Duval F30E Themaclassic combi?

I have a 4 yr old Saunier F30E standard combi running on natural gas and the hot water is failing dismally. Ho... [Read more]

Water pressure on a Sime 100e combi-boiler?

... after replacing the diverter valve diaphragm, dhw heat exchanger and cleaning the inline filter I'm still ... [Read more]

Baxi Bahama 100 - Hot water problem?

Hi there to anyone who can possibly help me with the above problem. The boiler works fine for central heati... [Read more]

ravenheat 820 no hot water?

i have a ravenheart 820,have previously had to have heating on to obtain hot water,to avoid overheating and st... [Read more]

Worchester Bosch 280 RSF will not supply DHW?

My boiler works OK when used on CH, but will not supply DHW when the boiler is cold, if the boiler has been he... [Read more]

No hot water with Worcester 28Si?

We have a Worcester 28Si and are now getting no hot water at all. It started a while ago. The central heating... [Read more]