How to mend ... Boiler Programmer Stat

How can I fix my Ideal Classic HE15 condensing gas boiler?

When the programmer has instructed the boiler to turn off on the time sequence, the boiler still ignites for 1... [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]

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]

Boiler trips RCD after about 5mins. ?

Apollo Myson (old), with seperate programmer and room stat. Have tried by-passing programmer - on/off via room... [Read more]

how do i set my Worcester combi boiler programmer?

I have a new CD30 combi with dual channel digistat Dsplays on air stat send and boiler receiver dont seem to... [Read more]

problem with potterton kingfisher II CF40?

Hi all, Hope someone can help, I have a pott kingfisher II CF40, floor standing, gravity fed i believe, as i c... [Read more]

potterton profile 40e can't be controlled by programmer?

The boiler is working and provides both hot water and heating but runs continuously, even with the programmer ... [Read more]

boiler does not obey progammer?

I have a Potterton netaheat electronic, a honeywell ST699B programmer and honeywell room stat. The boiler fire... [Read more]

Pump and Boiler always running?

Even if the programmer is off for both water and heating, if I turn the boiler stat up until it clicks, the bo... [Read more]

How can I get operator/service manual for DIA20 combi boiler?

Looking to download service and operators manual for Ariston combi boiler DIA 20 MFFI CE to hard wire in a roo... [Read more]

hi how do i turn the heating off but leave water on?

Got regular boiler ,stat is down, programmer hot water switch is on, heat switch is off but heating still come... [Read more]

circuit diagram for stat and programmer?

has anyone got the circuit diagram for vokera compact combi boiler. the programmer and thermostat connections

Why is there hot water but no heating?

I have a glowworm micron 40ff boiler,when hot water is selected on programmer the boiler fires up,but before t... [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]

baxi 100 he system fault?

boiler reaches temperature but but pump stops after aprox 2 minutes will not come back on as no water circulat... [Read more]

glow worm ultimate 40ff boiler won,t swith off?

My boiler will not switch off it runs constantly even though the programmer is set to off and the room stat is... [Read more]

Ravenheat CSI 85AT boiler tripping problem?

Ravenheat condensing combi boiler CSI 85AT fault? My 1.5 year old boiler has developed a random & intermitt... [Read more]

Ravenheat condensing combi boiler CSI 85AT fault?

My 1.5 year old boiler has developed a random & intermittent tripping fault, in both modes of heating (i.e. CH... [Read more]

I get hot water, but no central heating?

i get hot water, but no central heating,is it my drayton mid positon actuator valve, it is a Y plan system and... [Read more]

Ferroli Tempra 12 will not run?

This boiler has been problematical from the outset. It has been fitted with a new PCB and gas valve module. It... [Read more]