How to mend ... Problem Boiler Heating Hot

I have a sime 100c format combi boiler intermitedely hot and cold?

The boiler produces hot water on and off repetidly and also same problem when i turn on heating .

Potterton 80e Hot Water Problem?

I have a Potterton 80e Boiler, my problem is that when I have the Heating and Hot water on together the Heatin... [Read more]

dripping water from sime 90 boiler, no hot water?

Please can someone let me know how can I fix this problem of leaking water from the Sime 90 boiler, there is n... [Read more]

repair to glowworm swift flow 100?

when hot water is running the green running light goes out and also the mains amber light after a half run ba... [Read more]

ace high boiler problem?

replaced diaphram and diverter valve service kit , ch working ok , in dhw only mode both central he... [Read more]

Drayton rf1 wireless system problem?

Recently moved home. I have followed all the Q&As on this site regarding the rf1 system in my new home. I pu... [Read more]

blowdown running constantly?

the pressure relief valve on my combi boiler runs every time a hot tap is opened or the central heating is run... [Read more]

problem with hot water on ariston boiler?

hi all i have ariston boiler which we inherited when moving in to house but have major problem with hot water... [Read more]

Problem with Powermax 155x boiler?

The green burner light has started turning off after 5-10 minutes of the hot water coming on. It won't go bac... [Read more]

centrel heating boiler problem?

when hot water is not in use and ch switch is on minimum the disply panel shows c instead of o and the pump ke... [Read more]

How can I fix my Saunier Duval Boiler ?

I have error code F9 on my Saunier Duval Thermoclassic F30E SB boiler. There is no heating or hot water. Can a... [Read more]

when I turn on hot water tap, I hear a big noise, like a explosion?

My boiler is (worcester bosch 28i RSF), and it is 6 years old by now, regularly has been serviced and works wi... [Read more]

We have a Glowworm combi boiler and hot water is erratic?

We have a 30cxi combi boiler which constantly loses hot water going from scoulding hot to stone cold in second... [Read more]

How do I increase the pressure on my boiler?

I have a Baxi Combi 105 HE Boiler. I have recently noticed the pressure gauge dropping to around 0.5 bar or ... [Read more]

no heating or hot water? suniar duval thelia 23e?

The problem seems to be the clock/programmer. With the slector switch set to 'auto' the display will normally ... [Read more]

How to repair sticking gas value Heatline Vizo 24?

I am getting a flashing LED to advise gas failure. No hot water or central heating. The boiler starts to fi... [Read more]

alpha 280e problem?

hello guys . this boiler has started screaming when the heating fires up ,and when hot tap ran . took cover of... [Read more]

Worcester Heatslave 20/25 problem?

Worcester heatslave 20/25 oil combi boiler 8 years old problem as follows, with hot water only selected o... [Read more]

how can i fix the heating on my boiler ideal classic combo 80?

the heating will not work on my boiler, i have pressed the reset button on the over heat thermostat and it wor... [Read more]

Vailant Ecotec Plus 837 Radiator heating issue. fault 22?

Hi I recently replaced my old boiler with a new Vailant 837 combi and my heaters dont seem to be heating up, t... [Read more]