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Mend Main Mersey Water Heater Gas Heating

How can I fix my Main Mersey multipoint water heater?

I have an old Main Mersey water heater that has worked well for years
It hasn't been used since January and today I turned the gas back on, lit the pilot, and ran the tap.
It fired up nicely but when I turned the tap off the boiler kept burning!
I turned the main gas tap off, waited a few minutes and tried again. Same thing

Steve
July 2008
MainMain MerseyHeating, Home Heating SystemsWater Heater Gas Heating
got the same problem with mine but when the pilot went out it was still leaking enough gas to stick out my garden the only good thing was my flu was doing its job
please let me no if you managed to get the gas valve or any other parts ok and tell where and whom from

many thanks

mr payne
February 2011
its an older fella, water flow lifts spindle to open gas valve. spindle is stuck due to lack of use. need a registered installer to have a look

iain
July 2008

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Main Mersey Water Heater Keeps Burning - Fix?