How to mend ... Heat Comes Out Cold

No Pressure on Vaillant Thermoblock hot water boiler. How do I fill?

I have a Vaillant Thermoblock turbotec II. It's the German version, and I don't speak German so I can't seem ... [Read more]

Glow-worm Cxi 38?

I have a 4 to 5 year old cxi 38 which has been working fine, how ever now the water only heats up to a Luke wa... [Read more]

Worcester oil heatslave 26/32 storage combi boiler?

Cannot maintain pressure in the boiler. Heats the water up very well but turning on the hot tap it comes out c... [Read more]

My Radiators heat-up when I have Programmer set to Hot Water Only?

My heating system runs through a Drayton Lifestyle Dual Channel Programmer LP522. Recenty when I selected the ... [Read more]

How can I fix my Valiant combi boiler?

I have a combi which is approx 10 yrs old, however it has developed a problem. On both heat & hot water it run... [Read more]

Chaffoteaux Britony Combe SE - inconsistent water temperature?

I have recently had a new PCB fitted to my Britony Combe SE boiler and since it has been fitted the hot water ... [Read more]

How can I fix my Vaillant Turbo Max plus Combo boiler?

Recently my hot water stopped working after a long expensive time the engineer finally found it was the aqua s... [Read more]

My Vokera Maxin 24e is not working?? ?

My boiler was serviced around 7months ago, after a small dripping of water from the bottom of the boiler, by a... [Read more]

How can I make my radiator to generate it?

My radiator does not bring up heat when I put it on recently. The boiler that is controlling both the radiat... [Read more]

vaillant turbomax F23 error keeps coming up when I turn on the central heat?

Th heat exchanger and the diverter valve were changed on my boiler as the hot water and the central heating ke... [Read more]

Heat on demand boiler + tank steup?

Is there an off the shelf component that will let me sense when a ground level hot water tank is full (supplie... [Read more]

My Worchester 24i RSF stopped giving heat to radiators & intermittant water?

Had a room thermostat on the boiler, heating was fine but hot water was intermittant and kept running cold. I... [Read more]

bosch heatslave hot water problems?

My Bosch heatslave 20/25 seems to be heating up the radiators when only the hot water timer switch is on. The ... [Read more]

Vaillant TurboMax Diverter Valve problem?

I'm sick of repairing this TurboMax. First, a history of problems. The diverter valve, then a switch on th... [Read more]

Boiler Problem?

I have a Glow-Worm Ultimate 120FF central heating boiler that stopped working last week. Under my Direct Line ... [Read more]

how can I fix my ariston micro genus HE24?

There are no faut showing at all and the heating system is working fine. there are no blockages the heat excha... [Read more]

hot water problem?

i have a ariston microgenus 11 24 mffi. when running hot tap at either full flow or reduced flow the boiler fi... [Read more]

while running hot water boiler runs hot & cold for the duration tap is on?

tested gas supply 21 mb flow rate 12 ltr removed heat exchanger dhw clear changed both ch &dhw sensors checked... [Read more]

Problems with one radiator?

I have read the advised given to another person regarding ONE radiator not getting warm, and I still have a pr... [Read more]

my Vokera maxin24e keeps locking out?

I have had replaced so thermostats, diafram, heat exchanger also the have tested gas flow and water, ignition ... [Read more]