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Fix Fault Marathon

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We have 35 questions about fixing 'marathon' in category Heating, Home Heating Systems

Marathon 600b floor mounted boiler wont stay lit!?

When I light the pilot light there is no problem, remains lit many hours later! When I switch to continuous or timed, the boiler fires up and fires for 10-15 mins then cuts out (main burner and pilot) ... more
home Fix label Heating label_important Home Heating Systemsdone

marathon 400?

marathon 400 new valve after ten minutes completly shuts of new thermo couple fitted
home Fix label Heating label_important Home Heating Systemsdone

wiring diagram?

is there anywhere i can get a wiring diagram to change time clock on marathon 700b because the connections are different on the replacement part
home Fix label Heating label_important Home Heating Systems

MY pilot light wont light?

My Marathon 60B boilers pilot light will spark but will not light.
home Fix label Heating label_important Home Heating Systemsdone

how do you fit a thermocouple to a myson boiler?

I have a myson boiler marathon 700c I wish to fit a thermocouple There is a clamp holding a gray tube coming from the gas valve and a thin copper tube which I think is the thermocouple' I removed the ... more
home Fix label Heating label_important Home Heating Systems category Mysondone

timer for aMarathon 600B central heating boiler?

where and how much is a clock for the above
home Fix label Heating label_important Home Heating Systems category Marathondone

what kind of boiler is myson marathon 500b?

I did asked about myson marathon 50b, but in fact I,m after some information about model 500b..hmm, what kind of boiler is it? Cheers.
home Fix label Heating label_important Home Heating Systems category Mysondone

heating?

what kind of boiler is myson marathon 50B and it's kw, is it a back boiler?
home Fix label Heating label_important Home Heating Systems category Mysondone

Home Heating Systems?

Marathon Myson 600C Floor standing boiler. Had boiler thermostat changed but water still getting very hot.
home Fix label Heating label_important Home Heating Systems category Myson

Where can i get a copy of the service manual for a Marathon 30/42 C boiler?

i nned a copy of the service manual for a marathon 30/42 C boiler so that my plumber can service it. Does anyone know where is can download one or buy one from?
home Fix label Heating label_important Home Heating Systems category Marathondone

how do I find a main burner for a Marathon 700B boiler?

Where can I find a main burner for a Marathon 700B series gas boiler
home Fix label Heating label_important Home Heating Systems category Marathondone

expansion tank overflowing?

I have an overflow pipe dripping at the back of my house, on investigation, there is hot water coming into the expansion tank in the loft from the down pipe that feeds the boiler. I have blanked off t ... more
home Fix label Heating label_important Home Heating Systems category Mysondone

How can I lit a Myson 700C Marathon boiler?

I have just moved to a new house. Before I moved in, the main gas valve was switched off by the previous owner for safety. I followed the instructions to switch on the boiler. I managed to light the p ... more
home Fix label Heating label_important Home Heating Systems category Mysondone

marathon 100b boiler?

my boiler went off on its own while running normaly. i assumed the thermocouple has stoped working so i replaced it but the pilot will not stay on. how can i check the thermocouple is giving an output ... more
home Fix label Heating label_important Home Heating Systems category Marathondone

My Boiler thermostat will not work?

Please can anyone tell me where I can obtain a replacement boiler thermostat for my Myson Marathon 70B Floor Standing Gas Boiler?
home Fix label Heating label_important Home Heating Systems category Mysondone

need to now how to top up rad water system on mason marathon 600b?

heating system air locked and needing water top up but not sure wear valve is sited
home Fix label Heating label_important Home Heating Systems category Masondone

Replacement for Myson Marathon 700B Boiler Time Clock?

The timer on my Myson Marathon 700B boiler is sticking - not everytime but enough to be a nuisance. The Boiler is about 12 years old. Can anybody tell me where I can obtain a replacement timer, ... more
home Fix label Heating label_important Home Heating Systems category Mysondone

myson marathon b1000 manufacturers instruction?

i need to get hold of manufacturers instruction for a myson marathon b1000 boiler. Any ideas please
home Fix label Heating label_important Home Heating Systems category Mysondone

Myson Marathon 500C?

I have just moved into a house and am having problems setting the timer on the boiler, it does not seem to actually work when you set it to turn the boiler on in the morning I have set the pins to whe ... more
home Fix label Heating label_important Home Heating Systems category Mysondone

boiler trouble?

Hi, my gas boiler (myson marathon) has stopped heating water... the pilot light is on. the appearance of the pilot does not change when i turn the boiler on electrical power is getting into ... more
home Fix label Heating label_important Home Heating Systems category Mysondone

Fix Fault - Heating, Home Heating Systems

home label Heating label_important Home Heating Systems

Fix Fault - Heating, Home Heating Systems

home label Heating label_important Home Heating Systems

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