Mend > Home Heating Systems

how can i reset my llandis gyr rwb xp programmer?

ive took front of programmer off but i cant seem to reset it . back up battery is working but time display is ... [Read more]

Error code EA 258 on Worcester Greenstar compact 25i boiler?

Got in on New Year's day after a day at work and my partner said heating had been off most of the day and no h... [Read more]

Hi Any thoughts on rubbish Ferroli Optima HE 31 C?

First fault showing F37 open valve for pressure no sound left on for short period but closed off as nothing ha... [Read more]

Ecotec 831?

diverter valve was leaking and sticking, now the valve has been changed on power up the stepper motor moves fu... [Read more]

I have tryed that ?

It still not working

Drayton digistat +2 RF screen has part text missing and is frozen ?

Hi the display screen on the receive has bits missing is the temp doesn't show the who number and the screen s... [Read more]

Noisy flueless gas fire?

Brand new flueless Burley G4240 gas fire makes a noise like a hurricane when it has been on for a number of ho... [Read more]

how to fix error code f64?

boiler keeps showing error code f64 even when reset.it is a 828 vaillant turbo max boiler

hot water but no heating worcester greenstar 42cdi?

I have hot water but no heating and nothing different on the display ,can anyone help

potterton suprema boiler won't come on?

Potterton supreme boiler won't come on after being off during the summer. The indicator light just slowly flas... [Read more]

potterton supreme boiler won't come on?

Potterton supreme boiler won't come on after no being used during the summer. The indicator light just slow fl... [Read more]

potterton supreme boiler won't come on?

Potterton supreme boiler won't come on after no being used during the summer. The indicator light just slow fl... [Read more]

Dimplex MFS12LE - Knocking Noise?

I have a Dimplex MFS12LE Fire Suite and it starts making a knocking noise when on for a while, how can I fix t... [Read more]

thermostat controller?

Ihave the siemans rdj1orf thermos controller, It supposed to come on at 6am, but its come on at4am, what am I ... [Read more]

Potterton performa 30 he boiler ?

This boiler continues providing heating and doesn't switch off when supplying hot water. Is there a problem wi... [Read more]

E10 light flashing on Remeha Avanta 18v boiler?

It says check the water level and check for leaks, also check wiring between heat exchanger fuse and the vent ... [Read more]

glow worm 30cxi?

Hi,currently had fault with my boiler left on overnight only to find f1 code with red light switched off then ... [Read more]

Winchester combi boiler?

my hot water runs very slow what can I do to make it faster it can take up to 30 min to run a bath

what does error 108 on an ariston boiler mean and how do i fix the problem?

my tenant has said there is a fault on his boiler reading 108 he has no hot water or heating. Its an Ariston b... [Read more]

pump running but boiler not lighting ?

Green light on boiler panel flashing very fast pump appears to be running but boiler won't light switch power ... [Read more]