How to mend ... Boiler Lock Water

How can I stop my Worcester 24i from building up too much pressure ?

My Worcester 24i combi boiler has just started to build up pressure beyond the blow off valve setting (IE. in ... [Read more]

combi oil Worcester greenstar heatslave 12/18 switches off?

I have a internal combi oil Worcester greenstar heatslave 12/18 Its has a built programmer and Hot water t... [Read more]

No hot water, intermittent when air temp drops?

My vaillant turbomax 282e has an intermittent fault on the hot water side. On demand the sequence commences co... [Read more]

logic30 + combi?

my logic30 combi boiler registers water pressure of 3 bar when it should read 1 to 1.5 bar. consequently I exp... [Read more]

biasi riva compact he mk2 m96a 28sm?

Hi, could anyone help please? My boiler started coming on at strange times in the evening on it's own. I the... [Read more]

My vokera option boiler top up light and red light comes on ?

Hi can u help when my boiler I have heating and hot water but water very hot I've noticed . When heating been ... [Read more]

boiler lock out glow worm beta com 30c?

boiler locked out pressure at 1.5 bars. condenser sensor is dryer. no water in condenser or pipe.boiler fires ... [Read more]

how do I refill my glow worm boiler or bleed it?

re-filled rads after installing additional rad. Bled all through - OK. Turned on pump - clanking and knocking ... [Read more]

condensing boiler 532/i. ?

i have had to bleed my radiators and now boiler wont work. the pressure is at zero. i have tried to let more w... [Read more]

28i Junior Low Water Pressure Switch?

Hi, Have got a lockout problem with my Worcester 28i Junior. Does not like to start if it has not been run ... [Read more]

vaillant VUW 242e locked out?

as soon as boiler is switched on it goes to lock out immediately, pump runs, green light on, orange heating de... [Read more]

valient turbomax 242eh central heating will not operate once it reaches tem?

242 eh installed with 3 rads the boiler works fine in hot water when in ch and hot water mode ch reaches temp ... [Read more]

Halstead issues?

Have a Halstead Quattro with domestic water problems. Have fitted new diverter diaphram and heat exchanger, so... [Read more]

intermittant fault on ravenheat csi85at?

on this combi when switched to hot water only boiler does not fire at all.on winter /summer boiler fires on ho... [Read more]

how can I fix my 28i combi boiler?

My 28i combi boiler is only working in either heating mode or hot water mode, this is to say i can have my hea... [Read more]

Worceter 24i junior boiler keeps locking out?

when i turn my hot water on the boiler keeps going to lock out. when i reset it it works fine for another few... [Read more]

Lock out problem with vaillant turbomax plus?

My turbomax plus 828e locks out under the following circumstances.1 If I draw hot water when the boiler is co... [Read more]

Low pressure on Worcester Junior 28i Boiler?

The pressure on the indicator dial keeps falling below the minimum amount required by the system in order for ... [Read more]

Potterton Suprima 40?

Hi I have the above boiler 7 years old and the model with the faulty PCB I have changed two - last one upgrade... [Read more]