How to mend ... Boiler Keeps Going Hot

my boiler is over heating even when its just the water that's on?

I busted my heating for an hour last night.. it worked ok then again later on but this time the boiler over he... [Read more]

hot water temperature fluctuates?

boiler starts hot then goes cool. i have to reduce tap flow to get it hot again. its a worcester bosch 240

no way to fire up my boiler?

hi my pilot light has gone out on my baxi eco 80 boiler i have ordered a new reset switch monday before it c... [Read more]

Procombi 85 HE hot water ok, but central heating not working?

The boiler is working when I run hot water, it fires up when the central heating is turned on, the pump get's ... [Read more]

Powermax 155 mixer valve design?

I have a Powermax 155 boiler. It has a mixer valve supplying DHW. Mine allows hot water to descend into the co... [Read more]

Euro combi 13 yrs old won't fire up...Help?

Hi, My boiler stopped working this morning. no heating and no hot water. Turn on and boiler seems to begin s... [Read more]

air trapped in worcester bosch 40 cdi ?

My worcester Bosch 40 CDI goes down nearly every time I manually switch it to radiator mode. It may run fine ... [Read more]

How do I drain a boiler considering it’s connected to the hot water heater?

I have an oil boiler in a one story house that pushes hot water through radiant ceiling tubing in the attic & ... [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]

Potterton profile 40e ignition problem?

Hi can anyone help, I have a potterton profile 40e the boiler has been running fine until the other morning. I... [Read more]

What is the difference between ignition electrode and detection electrode?

I have a Halstead Quatro Combi boiler since February 1998. What is the role of the detection electrode? does i... [Read more]

How can I turn my Volkera excell 80sp on again?

Hi, I have a Volkera excell 80sp. I shut off accidentally the gas supply while the central heating was worki... [Read more]

Danfoss FP715 programmer fault?

We have a Danfoss FP715 programmer to run (or suppossed to!) our Ideal boiler. Thing is it seems to have a mi... [Read more]

How cani fix boiler it's a johnson&marley model j25-32mk3 mod airflow ?

Boiler does not come on when it is programmed to but will when Put on constant but no hot water in either jus... [Read more]

ferroli he26c hot water ok boiler not lighting ?

boiler not lighting radio stat calling, green and yellow lights on receiver turned sun display off on boiler, ... [Read more]

f1 fault on 23 kw jaguar boiler?

boiler fires up on heating and hot water then goes into f1 fault change flame probe and pcb board replaced,fan... [Read more]

boiler keeps switching off?

boiler keeps switching off ,red light on and hot water runs hot for 90 seconds then runs cold for 7o seconds m... [Read more]

How to repressurise an alpha hecb25 boiler?

Hi- have v low pressure on the boiler and although the heating and hot water are working it frequently cuts ou... [Read more]

vaillant ecoTEC plus 428 displaying fault 98?

Hi - We cannot get the central heating to work however the hot water and underfloor heating in the kitchen is ... [Read more]

Fix my ideal classic ff250 ?

I have a ideal classic ff250 boiler my radiators heat up but I don't get hot water.