How to mend ... Flow Boiler Heating

Saunier Duval SD623: Flame goes off and on when boiler is on high setting?

For the past few months the boiler flame goes off and then on repeatedly when boiler is on high stting (when h... [Read more]

Poor hot water temperature with heating on?

I have a Vaillant Turbomax combination heating boiler. When the central heating is operating & a hot tap is... [Read more]

Vokera 12_24 RSE Mynute Central Heating Boiler Burner keeps going out?

I have a Vokera 12-24 RSE Mynute Heating Boiler(Direct System)When the room thermostat calls for heat the pump... [Read more]

How do i turn on the radiators?

i have a sime 80c format boiler and i don't know how to turn the heating for the radiators on. I have tried pr... [Read more]

Heat Upstairs But not Downstairs?

I have 6 radiators in my house, 4 upstairs and 2 downstairs. My upstairs radiators are fine but I have a probl... [Read more]

Overheat cut out worcester 9.24 electronic boiler?

Had no central heating but hot water ok, boiler shuts down after 2 mins, found (eventualy) that the thermocoup... [Read more]

Baxi Bahama 100 keep cutting out?

My dreaded boiler has not had 2 sets of flow switches, cleaned at least twice, new expansion vessel etc. The p... [Read more]

Glowworm swift flow 100 - pilot & green light on -no CH or hot water?

I have a glow worm swift 100. When I turn the hot water or central heating on the green light turns on as it s... [Read more]

Why do the diaphragms in my Vokera XL80sp keep perishing?

Ive had the boiler for about ten years now and its been reliable apart from the main (large) diaphragm in the ... [Read more]

how can i fix my vaillant combi boiler?

hello how can i fix my vaillant combi boiler as when i put the heating on the boiler fires up straight away bu... [Read more]

baxi bahama 100?

boiler locks out when on heating have replaced flow switch and both o/h themostat and thermistor not tried pre... [Read more]

No Hot Water OPTIMA 701 gas combi boiler?

I get no hot water unless I have the heating on. I have cleaned the water filter, flowmeter and flow restricto... [Read more]

how can i fix my heating system?

in an attempt to take the radiator off the wall we broke the opposite end of the thermostat valve,we turned th... [Read more]

Heatslave 15/19 boiler - keeps kicking in?

i All, We have a heatslave 15/19 which was fine until a couple of days ago. A guy came round from the water... [Read more]

Vaillant sine 18 T 3 WF H. No hot water. Low water volume from hot tap?

Hi, I have a Vaillant sine 18 T 3 WF H. and the problem is no hot water the symptoms are:- 1, low water fl... [Read more]

Where do I find the flow switch on a Baxi Bahama 100 Boiler?

Can anyone tell me where the flow switch is situated in the boiler and how to change this. I have heating b... [Read more]

Help Topping Up Water Pressure on Vokera 20-80 RS Flowmatic!?

Hi there, I've been having a few problems with my boiler (Vokera 20-80 RS Flowmatic), as we are able to get... [Read more]

baxi 105he combi boiler?

pressure dropping from one bar to nought in a couple of days even when heating left off and heating flow and r... [Read more]

BAXI BAHAMA 100?

I HAVE A BAXI BAHAMA 100 COMBI BOILER, THE CENTRAL HEATING WORKS FINE, BUT THE HOT WATER IS NON EXISTANT! ... [Read more]

worcester bosch 230 combi rsf?

worcester bosch 230 combi rsf Hi I have a worcester bosch 230 combi rsf and believe the Diverter valve is f... [Read more]