Mend > Home Heating Systems

How can I fix my Ultimate 50 ff?

The frequency of the on/off time of the boiler is very short; just a few minutes . Is there any adjustment I ... [Read more]

how do i fix my potterton netaheat 10-16 Mk 11?

I have just spent 400.00 pounds getting a new hot water cylinder fitted and a new motorised valve aand a consi... [Read more]

How do I stop knocking sounds in the heating system?

I have recently had Thermostatic Radiator Valves fitted to the five radiator valves at home. Knocking sounds c... [Read more]

how can i fix my ravenheat csi85a boiler?

i have just had a new pressure switch fitted but the burner will not ignite pump and fan running ok it will ig... [Read more]

boiler blows when hot water comes on?

fuelsaver mk11 boiler keeps on blowing when hot water comes on.makes terrible noise and goes off have to press... [Read more]

PCB replacement?

I have a Biasi Garda boiler. On Friday the heat came on but there was no hot water. Later when I checked the b... [Read more]

What does code U5.1 mean on my Potterton boiler?

My Potterton boiler is displaying the code U5.1, any idea what this means, as it is not in the manual.

how can i fix my viessmann boiler?

i have a viessmann boiler i keep getting a f4 resset flashing on the display can anybody help

overflow problem baxi 105e?

hi i have a baxi 105 e which seems to have a problem with keeping the pressure when it cools down but when it ... [Read more]

How can I fix a Dimplex XLSN Storage heater?

I have 3 Dimplex XLSN storage heaters in my rented flat and none of them seem to be working. I don't know what... [Read more]

What is a A1 fault on a Potterton power max Boiler?

What is a A1 fault on a Potterton power max boiler?

the pilot light will not relight on sime format100E?

the pilot light has gone out and will not relight

jaguar 28 boiler wont go to high fire?

The boiler runs ok for about 1hr,then gas cuts out,comes on again for about 10sec.cuts out.on and off all the ... [Read more]

has the supereco slider classic have a glass front?

I'm lokking for information on the above fire for my mum-in-law but she does want it with glass, as she is 8... [Read more]

how can i fix my glowworm fuelsaver 55?

the pilot light comes on but it wont light the main burner

while running hot water boiler runs hot & cold for the duration tap is on?

tested gas supply 21 mb flow rate 12 ltr removed heat exchanger dhw clear changed both ch &dhw sensors checked... [Read more]

Pressure increases when heating on?

Pressure increases over 3 Bar and water comes out from over flow which reduces the pressure lower that 1 bar.... [Read more]

how do i change a 3 way valve on a britony combi boiler?

how do i change a 3 way valve on a britony combi boiler?

Ferroli Maxima 35C water pressure switch problem?

I have a Ferroli Maxima 35C that keeps getting F37 faults. British Gas changed the electronic water switch 3... [Read more]

Radiator is cold despite freeing trv pin. What can i try next?

I took the danfoss trv head off and made sure that the pin was free. I've drained the radiator and refilled it... [Read more]