How to mend ... Boiler Stat Heating

Heatslave 20/25?

Quite often the pump on the boiler cuts out and so the central heating goes off. Click the room stat to off an... [Read more]

how can i fix my Worcester 28CDI ?

I do not have a room stat fitted but have always used the heating control on the boiler ,i now have it virtual... [Read more]

Radio link between transmitter and boiler?

My Worcester bosch combi is just over 2 years old and keeps losing link between transmitter/room stat and boil... [Read more]

Potterton Prima F80 cold start problems ?

My boiler fails to start from cold but I can get it working by turning down the boiler stat to an almost off l... [Read more]

ferroli modema 102?

there is no hot water or heating when these are asked for the boiler lock out red light comes on suspect saf... [Read more]

Myson Apollo 50B will not switch off?

Problem started when suppressor blew. Replaced suppressor but boiler then over-heated. Instructions pointed ... [Read more]

Micron 40ff heating up then cooling right down before starting up again. ?

Please help I have a Micron 40ff with radiators with TRV's & a room stat, I replaced the old style PCB about 3... [Read more]

how can i start up apollo si?

my boiler has been off for 1 month, when turning the power back on the fan starts and runs ok. but the pilot l... [Read more]

Powermax HE 85i Error codes?

I discovered this morning my boiler was displaying A04 (overheat stat open/gas valve failure) iaw fault codes ... [Read more]

Ravenheat boiler, it does work as there is hot water but I can't get ?

heating to come on? I've tried the switches and fuses etc all seem to be fine. There is no 'click' from the ro... [Read more]

Over heating of central heating system?

I have a frost stat in the garage (where my boiler is) and a normal room stat (set to 20degrees). When the fro... [Read more]

potterton profile 50 e problem?

Hi need some help, i have a potterton profilr 50e boiler it works fine from cold but once it has heated the wa... [Read more]

Worcester 350 combi CH not working?

My Worcester 350 combi has stopped working properly as when the thermo stat switches on nothing happens at the... [Read more]

boiler cuts out?

i have a glow worm fuel saver f boiler, the problem is, is it cuts out after a couple of mins even though both... [Read more]

worcester heatslave 20/25 hot water but no central heating?

the central heating has just been turned back on on my oil fired heatslave 20/25 only to find it does not work... [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]

plumbing?

ive just put on new rad in bathroom, filled system to pressure, closest rad to boiler is heating up but after ... [Read more]

minimal heat from radiators and hot water system?

Since turning the heating back on our hot water has cooled down to minimal heat and the radiators do not get h... [Read more]

Heating boiler through the programmer is on hot water ok no heating to rad?

Boiler operates in the hotwater mode, put the switch over to the heating,no heating,room stat on max, 3 port v... [Read more]

hailstead combi constantly running?

as soon as you turn the boiler on the heating kicks in,tested both mico s/w on the diverter valve, both ok, d... [Read more]