How to mend ... Boiler Only Open

Luke warm radiators?

Really need help with a central heating problem (old, but sturdy back boiler open vented system in a flat - o... [Read more]

How can I fix my Main Combi 30HE boiler?

The domestic hot water system is not operating properly as it heats the water to the right temperature when yo... [Read more]

Heating? Ariston micro genus 27 mffi?

hot water fine but when I put heating on the boiler fires up but the motorised valve just fitted on boiler doe... [Read more]

Boiler Hot water intermittently losing temp, Heating seems fine?

The title explains the main issue, for some reason the hot water drops often every 20 secs or so, sometimes it... [Read more]

Central heating works but no hot water?

Ideal boiler with a cylinder have central heating working but no hot water...i have located the silver box and... [Read more]

Problem with my boiler?

When I open my hot tap the boiler takes a long time to kick in. Sometimes I have to open two taps. Could it b... [Read more]

How do I drop the pressure in my halstead boiler I opened the valve too muc?

The pressure on my cobi boiler dropped so I opened the valve it was hardly moving so I kept it open until it c... [Read more]

Programmer fault or boiler?

Hi, We have just moved in a house which has been vacant for about two years. There is an Ideal Classic FF35... [Read more]

Saunier Duval F35E auto-vents down to code 21 in minutes?

7 year old boiler, noticed code 21 (radiator circuit pressure low) so she opened the filling loop but left it ... [Read more]

Pressurising a Myson Marathon free standinding boiler 50B?

Can I alter a current Myson Marathon free standing boiler 50/60b (open vented) to a pressurised system, using ... [Read more]

How to raise the pressure?

Please tell me how to increase the pressure to the appropriate level - it is currently below where it should b... [Read more]

boiler?

35cdi calling for hot water no taps open and no leaks

My Halstead Ace boiler not working?

My Halstead Ace boiler Appliance number 47 333 16 is not working porperly, the power is there and the timer fu... [Read more]

why ami losing pressure on my green star 28i junior boiler?

system and dhw working ok! check radiators for leaks and all topped up. The system is not dumping water ive ch... [Read more]

where is pilot light on firebird oil boiler?

heat not working. have a firebird 90, which panel do i open to find pilot light?

i have over filled my valiant boiler with water what should i do?

Hi, I have a valliant boiler that keeps losing pressure. Tonight I intended to top it up but I forgot about it... [Read more]

boiler loosing pressure?

wife tried to fill boiler via filling loop but left the alve open boiler made loud banging noise as water dis... [Read more]

How to repair faulty Boiler?

I have Vaillant eco Tec Pro 24 and when I start open the boiler start ignite for 10 second and shutdown and do... [Read more]

have hotwater but no heating on my reneha avanta plus?

the flow pipe from boiler is very hot all radiators are open room stat is calling for heat. none of the radiat... [Read more]

over heating boiler?

boiling water coming from open vent pipe and hot water is coming up the cold feed into the header tank...potte... [Read more]