How to mend Hot Water

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Heating Home Heating Systems?

My Bosch Worcester 40 CDI has a problem the water isn't getting that hot but the radiators are working fine an... [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]

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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]

glow worm ultracom 30cxi?

the hot water come on its hot then it go's cold and back to hot and so on

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]

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I am getting luke warm water but no hot water?Valliant?

My heating is working at home,but i am not getting very hot water in the shower?

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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]

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Hot water, but no heating?

geting hot water. but no heating

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]

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Why the hot water keeps flowing hot and then cold and again hot and cold?

Why the flame remains always at the same size? That is why the hot water cannot be kept at a constant temperat... [Read more]

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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]

Water keeps flowing after power-off on Triton t300si?

Hello, My Triton T300si has recently developed a fault whereby when I turn off the power on the control uni... [Read more]

vaillant turbomax 242/1e or 282/1e?

air release valve on top pump keeps hissing out water when you switch hot water taps off.every twodays have to... [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]

Valves position?

I need to start the unit in the heat/hot water mode It is working OK on hot water only. When switch to both... [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]

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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]

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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]