How to mend ... Help Boiler Understand

Why does my boiler not turn off?

Hi. I have a Potterton Ultra DV40 boiler and also a Megaflo unvented water heater. When the boiler is heating ... [Read more]

how do i set the timer on the baxi boiler?

i cannot seem to set the timer so that it comes on when i want it to and not when it wants to i dont understan... [Read more]

Over-pressurised combi boiler system - help!?

Trying to re-pressurise my Sime Super 90 Plus, I opened filling loop valve and let water in to 1 bar pressure.... [Read more]

How can I maximise my shower pressure?

I have a combi boiler and understand a power shower cannot be used in conjunction with this. I want as powe... [Read more]

Potterton Suprima 30 Boiler problem?

Recently moved into a house that has a Potterton Suprima 30 boiler, house is about 10 years old. When i fir... [Read more]

how do i reduce the pressure on my 30si glowworm combi boiler?

when on water heating only the pressure reverts back to 1.2 bar instead of the 1.0 bar. when on both heating ... [Read more]

Where is my Baxi central heating pump ?

My downstairs radiators have suddenly packed in completely. I was looking on this site and have concluded that... [Read more]

My netaheat (potterton) 10/16 pilot light problems?

By boiler turns on fine (on timer) but after about 1-2 hours it switches itself off. When trying to ignite aga... [Read more]

My hetaheat electronic 10/16 pilot light problems?

By boiler turns on fine (on timer) but after about 1-2 hours it switches itself off. When trying to ignite aga... [Read more]

how can i fix my boiler again vaillant turbomax vuw 242e?

for the second time my boiler is not producing heat. I can still get hot water but the main boiler does not ig... [Read more]

How can I repressurise our SIME Super 90 Mk II?

We need to repressurise our SIME Super 90 Mk II as our central heating system will not fire up. Our hot water ... [Read more]

Heating Fault - Pump continually runs (Maxol microturbo 402)?

I have a Maxol microturbo 402 domestic boiler that is used for the central heating and hot water in my home. T... [Read more]

why is my boiler filling with water when not in use. (gas fired,steam heat?

why is my boiler filling with water when not in use. (gas fired,steam heat ). Endless buckets must be emptied... [Read more]

Ferroli Optima 901 -occasional Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing occasional problems with no ho... [Read more]

My Potterton Performa 24, No Hot water, NoHeating?

Hello, just moved in and I was trying to understand why I was only getting luke warm waterfrom my boiler. I wa... [Read more]

Ferroli Optima 901 -Intermittent Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing intermittent problems with no ... [Read more]

Ferroli Optima 901 -Intermittent Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing intermittent problems with no ... [Read more]

Netaheat 80E goes on/off?

I have a Potterton Netaheat 80E. As far as I understand the beast it is a gravity system and has been serviced... [Read more]

How do I fix a Baxi Bahama thats losing pressure FAST!?

Just bought a house thats 4 years old with a Baxi Bahama Boiler. Its been serviced every year by the previous... [Read more]

vokera expansion vessel?

maxine 28 , my boiler keeps making awful sounds and ejects water to the outside overflow. I understand it's a ... [Read more]