How to mend ... Thermostat Set Boiler

Ferroli Optimax HE31C Error Code NOcn?

I have a Ferroli Optimax HE31C Boiler and it has been working fine for years but all of a sudden it has fault ... [Read more]

boiler cycling?

with no call from the heating/hotwater or under floor heating .The boiler continues to cycle.Is the cause.the ... [Read more]

RC1 and WR1 thermostat keeps switching to alarm, despite constant resets!?

Hello, I hope someone might be albe to help me. I have noticed that my heating alarm LED keeps coming on a... [Read more]

Permanent F5 fault?

I have a Glowworm 18hxi boiler with a Systemate 2000 Gledhill system. Boiler keeps failing with F5 fault. Ha... [Read more]

Ideal ff series boiler?

Hi Guys I am currently having issues with my heating system, where as more boiler fires up no problem but it c... [Read more]

Glowworm 330+ boiler starts up at night?

The boiler starts up at night despite both system controls being set to off and it not being cold enough for t... [Read more]

Troubleshooting a Bosch ZWB28-3 combi boiler?

Currently it heats our hot water well but when cold is mixed in like in the shower the temperature of the wate... [Read more]

Potterton Netaheat - no heating without hot water?

Boiler will only fire up when "hot water" selected on controller (EP2002). When hot water is on, radiators al... [Read more]

Drayton Digistat RF601 thermostat shows incorrectly high temp?

Hi, A battery leaked in my Drayton Digistat RF601 thermostat so I removed as much of the (small amount) of ... [Read more]

Worchester junior 28i hot water no heating 5 flashes in service mode?

I have a Worchester junior 28i boiler, the hot water is working but not the heating and the green burner indic... [Read more]

Pilot light cut out?

Hello I am having a problem with my ideal boiler pilot light, at first i had no heating or hot water so i rea... [Read more]

Vaillant Ecotec plus 824 with no central heating?

Please help!! We've been in this house for almost a year - so I'm not sure when the boiler was installed bu... [Read more]

How can I fix my potterton peforma 24 boiler?

The boiler comes on but the burner/flame light does not come on at all. The flame fault indicator also does no... [Read more]

What is wrong with our Potterton Profile 80E boiler?

It is about 20 years old but works very efficiently when ON. The trouble is the pump is on constantly (24/7) ... [Read more]

What is wrong with my central heating?

Hi My central heating and hot water will not turn on when requested. The electronic time is set to 24 hrs and... [Read more]

Potterton Profile 80E Starts OK on HW but not on CH?

Boiler would start (fan running for 20 seconds) but would not complete the ignition cycle. Replaced the PCB. A... [Read more]

Problem with Potterton Promax HE24 Boiler?

The hot water system works ok. I have fitted a thermometer to the outlet from the boiler and this goes up to o... [Read more]

Hot water but not central heating . . ?

I have just moved into a flat which has a Sabre 29HE Plus combi boiler. It is heating the water but when I sw... [Read more]

Drayton Digitstat RF1 Wireless Thermostat?

Have come home from an extended holiday to find no heating. Stat set at 15c to come on when house cold. Stat s... [Read more]

baxi bermuda 552 boiler?

1/ pilot light stays lit ok .flame is blue ans about 20mm long. 2/ when heat set on boiler thermostat,boiler ... [Read more]