How to mend ... Boiler Works Cold

Potterton Suprima, flashing amber light?

I had the dreaded PCB lockout issue a couple of years back, and had the PCB replaced. Bolier now works perfec... [Read more]

why could my Swift Flow 75 boiler not work after changing my stop cock?

Swift Flow 75 - 80 Combi Boiler I changed my Stop Cock and now my Swift Flow 75 - 80 Boiler will not work. ... [Read more]

How can I fix my Saunier Duval Semia Condens boiler?

The Central Heating (CH) side works perfectly but the Domestic Hot Water (DHW) has developed a problem, thus..... [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]

How can i fix my Glow Worm Betacom 24a?

My boiler usually works fine after the heating has been on, however if after work i run a bath or shower the w... [Read more]

Turn hot tap on radiator get hot?

Hi when I turn on the hot water tap the radiators get hot also, heating works fine nice and hot also hot water... [Read more]

WB 42 cdi hot water?

I seem to have air in the hot water system, the heating is bled and works fine, the boiler was working fine ti... [Read more]

Worcester Greenstar 24i timer stopped working? Any quick fixes?

The timer on my Worcester Greenstar 24i has stopped working, it's currently stuck at 4am! The boiler still w... [Read more]

diverter valve not operating?

Hi I am having a problem with my potterton performa 28i boiler. Central heating works fine. Dhw giving cold ... [Read more]

Baxi 105e Combi - Hot then cold water cycle?

Hi, I have a BAXI 105e Combi boiler in the house I have just brought, it was installed in 2006. I have noticed... [Read more]

Problem with Siemens RDJ10RF boiler control?

I have just had a new combi boiler fitted with a Siemens RDJ10RF wireless control/thermostat. Everything works... [Read more]

no hot water during freezing weather conditions?

we have an ideal response 120 combi boiler. During freezing weather conditions we do not get any water at all... [Read more]

raven heat boiler 4 years old ?

i have a raven heat boiler 4 years old , its not worked for the last 3 years really .. but we have mab do till... [Read more]

How can i fix my Ariston A23 Mffi E Combi boiler NO DHW URGENT?

No Dhw, runs cold after a few minutes when demanded either alone or with CH demand, the burner continues to ru... [Read more]

ferroli f 30 boiler?

i have a f 30 boiler and live in a bungalow. my flue is verticle and goes out through the roof.recently my nex... [Read more]

Problem with my Ferroli F24B boiler ?

Hi, My boiler works fine when running the taps in the sinks / bath. As soon as I use the shower the water ... [Read more]

Ferroli Optimax - no hot water ?

Hi, I hope someone can help me. I have had no hot water or heating for over 5 weeks. I have boiler cover thro... [Read more]

biasi spa 24s jr combi runs hot & cold?

hi,i have a biasi spa 24s jr combi boiler which is 10 yrs old & has a problem with hot water,heating works fi... [Read more]

hot water?

I have a Ariston a/23 type C boiler The central heating works o/k when i turn hot tap on I only get cold w... [Read more]

Hot water problem in my combi boiler?

My combi boiler works fine in central heating mode. When in hot water mode, however, it fires intermitently so... [Read more]