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Mend Heating, Home Heating Systems

Pulsacoil A-class?

How can I fix my timer-clock for the pulsacoil? It is connected to the mains, and I cannot understand what ... [Read more]
Mend boiler heating timing
1

Timing the Boiler -Worcester 28CDI?

I can't set the time on my Boiler, can you help I would like it to come on in the morning and go off and then ... [Read more]
Mend boiler vaillant valve

Boiler overheating and making noises Vaillant VCGB 112/142EH?

Had a new 3 port valve changed as radiators were coming on at the same time as water even though only water wa... [Read more]
Mend he fan fault sometimes

Baxi he 105 / fan / flu fault light on sometimes?

Hi I have a intermitent fault on my boiler boiler will light then go out then I get fan flu fault, somtimes wi... [Read more]
Mend ideal classic boiler

Trying to fix ideal classic boiler LXFF?

After taking out central heating pump and replacing some valves in the pipework the boiler refuses to light.I ... [Read more]
Mend years central hot
3

Worcester 19/24 CBi Constantly locking out?

I have a Worcester 19/24 CBi boiler (4 years old) which keeps locking out whenever I put the central heating o... [Read more]
Mend sime friendly boiler

Sime Friendly Boiler issue - radiators hot, sometimes not?

This is a bizarre one (or maybe it's more common than I think!). Here goes:- Due to falling water pressure ... [Read more]
Mend light time switched
3

Ferroli boiler cuts out during start up ?

Red light comes on and need to reset the boiler each time she is switched on. Gas comes through and lights but... [Read more]
Mend heating burner pilot light
1

Glow-worm ultimate boiler?

no heating pilot light is on but sparking all the time burner not firing up
Mend time set water
9

ferroli optimax he plus 31C time clock?

does anyone know how to set the time clock so that pre-programmed heating and water etc comes on when you have... [Read more]
Mend boiler pressure heating

Vaillant boiler overflow leak?

My boiler pressure was low (less than 0.5) so after searching the net I found a video showing which screws to ... [Read more]
Mend worcester highflow 400 boiler

Worcester bosch highflow 400 combi boiler?

Hi, I have the Worcester bosch highflow 400 combi boiler I understand the principle of having the Heatbank but... [Read more]
Mend hot water heat
1

boiler is overriding controller. ?

switching hot water off on controller, but boiler does not respond and continues to heat water supply to radia... [Read more]
Mend combi spark gas valve fan

how can i fix my main combi 24 he?

it trys to fire in htg and hot water but goes to flame fail every time.you can hear the pumr running the fan r... [Read more]
Mend flashing boiler system

How can I fix a flashing "l e" fault on my isar he35 boiler?

I worked on the radiator system over the summer and when the time came for central heating the boiler tripper ... [Read more]
Mend time heating ariston
1

pressure drop each time heating used?

we have a ariston 27rffi system boiler in the past two weeks it drops the pressure from 2bar down to zero over... [Read more]
Mend ariston boiler water
2

Can I pressurise system myself?

Hello, I have an Ariston Genus boiler downsta... [Read more]
Mend boiler central heating fault
12

Hot Water But No CH Poterton Neataheat Profile 30e-80e?

In addition the my previous question (with same title), I managed to get the Central Heating (CH) working for ... [Read more]
Mend potterton netaheat central
1

Hot Water but no CH Potterton Netaheat Profile 30e-80e?

In the last day or so we have noticed that we are getting hot water but no Central Heating (rads are cold etc.... [Read more]
Mend heating temperature timer

Reducing Economy 7 Charge Time?

Hi, During the winter months when the weather is cold, my economy 7 works fine, however I have a problem that... [Read more]

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