How to mend ... Stat Hot Water

glow worm 50?

i have glowworm micron 50works ok when it calls for hot water but will not always fire up for central heating ... [Read more]

my potterton profile 80e boiler needs fixing?

potterton profile 80 e is not working pump is ok 3 way value is ok as are the tank stat and room stat a plumbe... [Read more]

how can I fix Combi Ideal Response 120. No hot water/central heating?

I am trying to fix an Ideal Response 120. After replacing the Limit stat, when DHW is turned on initially mach... [Read more]

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]

Glow worm ultimate 40ff ultrahot water!!!!!?

Hi, I have the above boiler with potterton ep3002 timer and potterton room stst with hot water cylinder stat ... [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]

Vaillant VCW sine18 T3 WFH-hot water supply problem?

My boiler will not provide hot water at the tap unless it is running in heating mode when the tap is opened (p... [Read more]

baxi 100 e system boiler?

boiler reaches temp on stat pump runs on for a couple of minutes then stops will not fire back up unless i tur... [Read more]

glow worm capricorn 240/6 doesn't cut in?

The elderly system above is due to be replaced, but has suddenly stopped producing any heat. Any suggestions?... [Read more]

How can I fix my wiring in my tank cupboard ?

I need a wiring diagram on the correct way to wire up a motorised valve, a pump and a cylinder stat as the plu... [Read more]

How can I restore the hot water supply from my Potterton 45 back boiler?

I have a Potteron back boiler for central heating and hot water.Until recently it has all worked OK but now I ... [Read more]

Sime Superior 50 heating not working?

We have a Sime Superior 50 boiler which lights up every now and then. The Pilot is alight. Fan seems to be w... [Read more]

Potterton 50e does not run for very long?

I have a Potterton 50e which does not run for very long hence no heating and no hot water. If i turn up the ro... [Read more]

How can i make my vokera receiver recognize the RF unit room thermostat?

I have a vokera boiler and wireless room thermostat. All was working well until 2 days ago. Changed batteries ... [Read more]

Cold radiators Ferroli Optimax 25c?

My newly installed combi gives instant hot water from the tap but I have to turn my room stat up to 30 before ... [Read more]

gas valve trips out ?

Hi I’ve got a Glowworm swift flow 80 gas combi boiler, The pilot light went out, installed a new thermocoupl... [Read more]

Can anyone diagnose the problem with my Ferroli Optima 901?

I have a Ferroli Optima 901. When the hot water is run for a period of 3-4 minutes the boiler cuts out and the... [Read more]

vokera options boiler fault ,please help?

my vokera options boiler cuts out after 10-15 seconds ,the flow pipe at the boiler gets very warm but rads not... [Read more]

whys my house toooo hot?

Thanx for your reply to my 1st question. The stat is in the hall, and the system was put in nearly 6yrs ago a... [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]