Mend > Home Heating Systems

How can I re-bond Siemens receiver when instructions not work?

I have followed instructions about pressing override and learn buttons, but neither LED light on reciever come... [Read more]

1

Lost allen screw when bleeding boiler?

Hi hoping someone can help me - I ran out of oil - needed to bleed my boiler - did so with allen key but accid... [Read more]

vokera 25 excel?

how to reset vokera 25 excel

vokera compact he with intermittant hot water?

Hi I have an Vokera Compact HE . Radiators work fine but when I try to run a bath the water goes from hot to ... [Read more]

Setting the timer Siemens RDJ10RF?

I am not sure how to set the timer so that the temperature changes between comfort time setting and the econo... [Read more]

1

how can i fix thermostat?

have a Drayton digistat + room thermostat 83251 , put new batteries in but screen says -E8- with or without pr... [Read more]

1

How can I sort my thermostat. Code: 20059643?

How come the heating does not come on when the override button is pressed. Vokera vision 30c

I have a ferroli optimax he 31 c boiler ?

The heating just seems to turn on and off randomly having not been programmed.Any idea why ?

I have a sabre he boiler that fires up initially then cuts out to red light?

I have a problem with a sabre he 35 boiler the problem is I have reset the boiler re pressurised and done all ... [Read more]

1

pilot lites & stays on until burner comes on-then run short while &goes out?

pilot lights & stays on even when the burner is turned on.then it runs a short while & then shuts off. When ... [Read more]

how can i fix my potterton performa 24?

hi ya everyone i have a potterton performa 24 central heating system some times it fires up for hotwater,heati... [Read more]

worcester 2.8 i junior boiler clock on programme dial not working ?

clock not working on programme dial but heating still working when switched to continuous on. any ideas how t... [Read more]

1

re pressurizing boiler?

Trying to repressurize Greenstar 28i boiler and had the key in position but when turning the neighbouring whit... [Read more]

hot water but no heating on valiant combi boiler?

hot water but no heating working all day then heating stopped this is a valiant combi boiler

Blank screen?

Help the screen on our RDJ1ORF unit blank changed batteries but still nothing no heating

I have a thorn olympic 38/50?

Heating system works fine but when i switch to hot water boiler wont ignite

1

How to fix a leak between the burner and heat exchanger?

A problem has been identified by an engineer on my 10 year old Isar HE30. It had a L F fault code which could... [Read more]

boiler Glow-worm hideaway ff free standing?

had service replaced pump butkeeps cutting out after running for about an hour

2

my greenstar highflow 440 boiler is showing an error code C1?

the boiler is showing a c1 error, fan speed too low, how do I fix it please?

Wiring code on Myson burner 60/80?

Changing boiler motor over from Myson 60-80 to kerosene burner Modal no RDB1 70-90 not shaw of the wireing ol... [Read more]