How to mend ... Boiler Ch System

new worcester 550I combi boler?

When the hot tap is opened fully the temp of the water increases until the boiler trips out .Worcester service... [Read more]

I have a potterton profile 80el short cycling 1 min 'off' 1.5 min'on'?

Replaced pump (sticking)and heat exchanger (leaked). Since these changes the boiler started short cycling - ... [Read more]

Spectrum Fuel-Miser Mk IV?

My central heating system has a Spectrum Fuel Miser Mk IV which provides: . Electronic temperature control of... [Read more]

ideal isar he24 leaking?

hi we have a isar he24 combi boiler which has a leak coming from the left side of the inside of the boiler ,i... [Read more]

Glowworm 330+ boiler starts up at night?

The boiler starts up at night despite both system controls being set to off and it not being cold enough for t... [Read more]

Central Heating system?

Update on my question of pump operating when not calling for heat. The pump makes a noise while doing this but... [Read more]

Flexicom 30sx - boiler error?

When there is demand the Glowworm Flexicom 30sx cycles through burner on, then state codes 98 and then 97 befo... [Read more]

baxi bahama 100 poss air in system?

have just replaced the flow switches again and boiler seems to work okay, but when one of cold taps on sinks a... [Read more]

Saunier Duval Combi Boiler Pressure Rises?

Hi Hopefully someone can answer this problem for me please? I have a Saunier Duval Thema Condens F30e Bo... [Read more]

24i junior problem?

boiler hung and fitted all connections good filled and vented system and boiler .no external controls. therefo... [Read more]

Intermittent hot water on Baxi 105e?

Hi,my boiler has developed a fault on DHW supply,when asked for hot water, system fires up runs for 30 seconds... [Read more]

Ravenheat CSI 120 error code 04?

I have a Ravenheat CSI 120 on which I recently (last week) replaced the diaphragm in the diverter valve. I the... [Read more]

Hot water from boiler filling expansion tank?

I have an old type CH/HW system with storage cylinder in airing cupboard and Bermuda 552 back boiler. I notice... [Read more]

how can i fix my Chaffoteaux et Maury Celtic FF boiler?

my ch boiler is 16 years old this year it has developt on switch on a screeming and grumbling noise which last... [Read more]

Ideal Turbo Overheat thermostat won't reset?

After draining and refilling CH system the overheat light came on when boiler fired up (Ideal Turbo 2 - 24). ... [Read more]

Gas Jet Lights but goes off again after about a minute?

I repaired a leak in a radiator downstairs I refilled the Gas CH system. Issue now is that my Ideal Classic Bo... [Read more]

Could boiler heat exchanger be clogged?

My boiler seems to take ages to deliver hot water to the taps... over a minute, more to bathroom which is loca... [Read more]

heating system?

I had a glow worm 24hxi boiler fitted to my existing y plan system using the original controls(programmer,room... [Read more]

halstead ace high problem?

Hi, I have a problem with my hot water and heating. The Halstead Ace High boiler does not come on when a deman... [Read more]

Why do I need to top up the pressure in the CH each time I turn it off?

Why do I have to top up the water pressure in the CH boiler every time I turn it off. The pressure falls to be... [Read more]