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Mend D.I.Y, Toilets
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Trayford close coupled toilet?

30 year Trayford close coupled cistern has plastic elbow to connect toilet pan and horizontal screws are loose... [Read more]
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Throttle issue?

the throttle on my Honda HF2417 ride on mower does not seem to affect the speed of the engine if its on tortoi... [Read more]
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McCulloch gladiator 550?

McCulloch gladiator 550 How to fit cable in trigger
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Mend Saunier Duval

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We have 349 questions about mending 'saunier duval'

How to mend ... Saunier Duval

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Query boiler not giving heat or hot water?

I have a Saunier Duval F24E:2 and the red and green lights as on constantly. The thermostat is showing at 21 ... [Read more]
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saunier duval boiler problem?

I have the model thema condens F 24 E. I have no manual. but the boiler has switched on eco mode. I don't know... [Read more]
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Boiler blowing fuse?

The PCB fuse keeps blowing on my Saunier Duval isotwin condens f35e, What should I check.
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setting timer?

I have a saunier duval thelia 623 and want to set the timer but have no instructions, can anyone help?
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saunier Duval is over pressurising when the heating is on. ?

How can I stop a Saunier duval F28e from over pressurising when the heating is on and also stop it losing pres... [Read more]
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How can I fix my Saunier Duval Semia Condens boiler?

The Central Heating (CH) side works perfectly but the Domestic Hot Water (DHW) has developed a problem, thus..... [Read more]
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saunier duval sd620f?

can anyone tell me what the air pressure should be on the expansion vessel please
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saunier duval?

keep getting f1/f4/13 whats it mean got no manual had to engineers round still same ,can you tell me whay it m... [Read more]
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heating?

saunier duval 60ff. heats water but central heating not working
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My saunier duval combi boiler keeps switching itself on & off?

As above. Even when set to holiday? Please help!
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saunier duval f30e?

when trying to bring the pressure up from the 5bar to 1 the water starts to come out the recuced pressure zone... [Read more]
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Saunier Duval Thema Condens F24E?

The cold water filter is leaking - is this a replacable part, and can it be undertaken by oneself?
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Why does my well serviced F30 E continue to display F26 code?

My Saunier Duval Thema CONDENS F30 E continues to display code F26 even though it has been fitted with a Magna... [Read more]
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Saunier Duval F28e SB?

Saunier Duval F28e SB wont start up, no light just a bar reading.
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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]
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i have saunier duval combi?

saunier duval combi boiler has no L.E.D display on boiler but fuse in plug ok ?what could it be? i have no hea... [Read more]
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Noisy Saunier Duval Thelia 20 n No Hot Water / Heating but pilot ON?

My Boiler Want Fire Up though gas pilot light is on and can hear constant noise from the boiler of running Fan... [Read more]
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No c/h working saunier duval f23e combi boiler?

hot water working fine but when turning the central heating on it fires up for a few seconds and then switches... [Read more]
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I need thermocouple for an instant water heater?

I need a thermocouple for a saunier duval instant water heater
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saunier duval combie boiler?

after turning the gas supply off then on again my boiler wont ignite what would cause this
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Saunier Duval Isofast condens F35E....nothing working?
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saunier duval boiler problem?
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How to repair F4 code?
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I have a Saunier Duval Isotwin condens F 35 E with hot water No heating?
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isotwin condens f 35 e service menu codes?
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Saunier Duval Thema F23 anyone have a link for manual?
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Saunier Duval F35E auto-vents down to code 21 in minutes?
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Saunier Duval timeclock not working?
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'f19' error report - Saunier Duval 'Thermoclassic' boiler?

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