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We have 17 questions about mending 'myson' in category D.I.Y, Plumbing

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My myson thermostat not turning on?

I changed the batteries in my myson thermostat, I reset the date and time and reprogrammed the on/off times ho... [Read more]
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How can I fix my myson plus thermostat?

The thermostat has an error message saying "service required". The heating isn't working. what do I need to ... [Read more]
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replacing plastic heat control cap on trv for myson 2 way?

I had to take the white plastic heat control cap off my myson trv 2 way to fix a cold radiator. But now I don'... [Read more]
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how do i remove plastic top of myson thermostat?

the myson stat grey plastic with a spring clip round the base can you help . thanks
Mend D.I.Y, Plumbing

Myson thermostat won't click on?

My Myson mprt thermostat batteries ran out and assumed thus was why the heating would not click on. Replaced b... [Read more]
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myson trv 2 way?

black pin in middle of head pushes up to star, small pin on rad free. hot water flows until i put trv on, th... [Read more]
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How can i over-ride the Myson thermostat's PIN number?

I have a Myson thermostatic control in my house and for some reason it is asking me to input a PIN number befo... [Read more]
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apollo myson 50?

when system has been running for few hours when flame goes out pipes start gushing and banging
Mend D.I.Y, Plumbing

how do i remove the cap from a myson 2 way trv?

the myson trv on one of my radiators seems to have stuck closed as the radiator is the only one not working,i ... [Read more]
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My Myson thermostatic radiator valve is not working and will not open?

My Myson thermostatic radiator valve is not working and will not open to heat the radiator. I have removed the... [Read more]
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How can I fix myson Apollo?

Re previous question have changed room thermostat and opened all rad valves checked and reset timer program bu... [Read more]
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Myson Apollo 30s plenty of hot water but rads only warm, ?

Boiler working plenty of hot water and the rads have been blead the thermostat does not click when turned eith... [Read more]
Mend D.I.Y, Plumbing

How can I get a Myson thermostatic radiator valve to work?

I turned the Myson TRV 2-way valve to closed as the windows were all open. Now it is turned on it will not ope... [Read more]
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MYSON APOLLO GAS VALVE?

How do I test a gas valve to see if it is opening under gas pressure and closing when turned off.
Mend D.I.Y, Plumbing

Re-re-MYSON APOLLO 40B?

Thermocouple re-newed, pilot tip renewed and overheat stat renewed but still pilot light will not stay on when... [Read more]
Mend D.I.Y, Plumbing

about thermo couples?

do i need jointing compound to fit a thermo couple for a myson apollo
Mend D.I.Y, Plumbing

re-Myson Apollo 40B?

Thermocouple and Pilot tip renewed but pilot light still ignighting and going out when button released. any id... [Read more]

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