How to mend ... Heat Comes Out Cold

Drayton Rf2 digital wireless unit going haywire?

Hi all, have had probs with this unit a couple of yrs ago and had to reset the thermostat to the scr but came ... [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]

Expansion tank hot?

Greenstar Ri boiler open vented system. When boiler switched on constant flow of hot water to expansion tank... [Read more]

water going hot then cold?

vaillant combi boiler 824/2e ,,heating is fine,hot water red hot then goes cold had new heat exchanger,plus ne... [Read more]

Halstead issues?

Have a Halstead Quattro with domestic water problems. Have fitted new diverter diaphram and heat exchanger, so... [Read more]

halstead ace high boiler?

Hi after reading some of the posts on this website which were having the same problem as me (boiler playing up... [Read more]

Ravenheat LS100?

Installed LS100 in the loft way back in 2003 and it's never missed a beat. 3 weeks ago I installed a mixer sh... [Read more]

vaillant 824/e ecomax pump working, but no hot water leaving boiler?

My vaillant 824/2e ecomax on start up has fast rise in temperature up to between 80-104 c and pump stops. cent... [Read more]

how do i fix my hot water boiler, brittony II?

My water pressure has gone from reasonably slow but hot to full pressure and cold. Boiler still flashes up but... [Read more]

halstead ace high?

intermitant hot water runs hot then cold its making contact and boiler fiers up all ok but still no hot water ... [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]

Ravenheat RSF820/20T fails to heat water?

Hi Folks, Our RSF820/20T has just about given up giving us hot water :( The closest we can get is luke warm... [Read more]

my radiators cold in middle?

One of my downstairs radiator has heat at the top and sides but the middle is cold ??

baxi bermuda inset2 boiler 50/4?

boiler had been shut down for about 3 weeks i put the controls to constant the boiler green light came on the ... [Read more]

Valve sticking?

We have a Worcester Heat Slave 12 14 combi boiler. The valve keeps sticking. Radiators go cold and we have to ... [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]

radiator wont get hot?

hot water,all 5 ok,one radiator no heat,bled till water ran.pipe coming in hot,water cold coming out.

how to get heat in one radiator?

have hot water radiators,3down 3 upstairs,one upstairs dose not get hot,watergoing in is hot,plead,no air just... [Read more]

Valliant Turbomax plus hot water problems?

Have a Vaillant turbomax plus boiler, which has been working fine until a couple of months ago. When turning ... [Read more]

how can i fix my ferolli domi compact 24b?

the hot water gets to 40 degrees goes cold then comes back on gets to 40 again then goes cold again, was think... [Read more]