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We have 34 questions about mending 'boiler fine box'

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Mend Heating, Home Heating Systems

Boiler seems to be running cooler?

We have a Worcester Heatslave 20/25 boiler and it has been fine so far with regular maintenance. when the hea... [Read more]
Mend Heating, Home Heating Systems

Siemens boiler?

I have a Siemens boiler RCR10/433-GB. The handheld controller is RDJ10RF. The hand held controller is fine but... [Read more]
Mend Heating, Home Heating Systems

Boiler Noise while cooling?

I have a Glowworm ultimate boiler which works fine, but very noisy while cooling down and while not working. S... [Read more]
Mend Heating, Home Heating Systems

how can i fix my kingfisher mf boiler?

system venting over boiler not shutting down on stat,overheat stat not cutting in either.new stat fitted and n... [Read more]
Mend Heating, Home Heating Systems

potterton combi boiler trips mains electric when hot water tap on?

the boiler was working fine then it started to trip main fuse box when hot tap was used. any ideas to why this... [Read more]
Mend Heating, Home Heating Systems

how can i fix my Vaillant Turbomax 824E plus?

I have a Vaillant turbomax 824E plus which has no display and is not switching on its dead,removed control box... [Read more]
Mend Heating, Home Heating Systems

Baxi heater won't fire up from cold?

We have a Baxi boiler which has developed a fault which we can't seem to fix. The pilot light won't ignite whe... [Read more]
Mend Heating, Home Heating Systems

problem with boiler after replacing batteries in thermostat?

i changed batteries in boss thermostat and discovered that the boiler wasnt responding to thermostat, even tho... [Read more]
Mend Heating, Home Heating Systems

Oil fired boiler problem?

Hi can you assist, Grant Multi-pass 70/90 oil fired boiler, has had two new photocells just to confirm first ... [Read more]
Mend Heating, Home Heating Systems

Baxi Solo 3 heats water but not CH?

My 5 year-old Baxi Solo 3 CH circuit has just packed up, although the water heating is fine. The CH is control... [Read more]
Mend Heating, Home Heating Systems

B&Q Silverstar Boiler, main fuse blowing, losing pressure slowly?

Hi - All help is greatly appreciated as I am lost at the minute with this problem. My Boiler stopped workin... [Read more]
Mend Heating, Home Heating Systems

how to fix my reno HE30C combi series johnson & starley ?

my boiler is all on. my hot water is fine. but when i flick the switch up to put central heating on its not tu... [Read more]
Mend Heating, Home Heating Systems

Glow-worm Space Saver 50-60F?

When the boiler fires up, there a buzzing/vibrating sound. It seems to be coming from the metal box on the bot... [Read more]
Mend Heating, Oil Filled Radiators

Thermacon Boiler?

Hi there, I have a wall mounted Thermacon and its started locking out. Its dont this before a few years ago a... [Read more]
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