My saunier duval boiler programmer is playing up?

Just had the PCB board replaced and now the heating doesn't go off with the programmer. Only way to turn it on or off is to use the dial on the front. Any ideas?

how to light the pilot light?

got a saunier duval SD 620 F the pilot light has gone out how do we relight it

saunier duval thema classic f 24e?

everything calling for heat gas valve not oppening

Saunier Duval Combi boiler?

What is the heat exchanger on a Thema F23E combi boiler made of?

saunier duval xeon 50ff boilere makes a noise when running?

can any one tell me why my boiler has a whine coming from it when firing up

saunier duval 30e?

just seen the query regarding slow running to get decent hot water, was mentioned was the rubber diaphram, BUT , where abouts is it ?

Saunier duval does not ignite?

not firing boiler does not heat water or heating advice please mam type of boiler FF50 Saunier Duval

thelia 23e saunier duval?

I have a D.H.W. problem that i thought i had fixed by replacing the diapdragm. All was well for a week, now the main burner will not kick in, even though the boiler ignites as soon as a tap is opened. ... more

How to replace a bypass valve ?

I have a saunier duval isofast f35e boiler and need to replace the bypass valve.

saunier duval f 24 e problem?

hi. does anyone have any idea,s how to re,pressurise the system on the saunier duval therma classic f 24 e please?

Saunier Duval Thema F23 anyone have a link for manual?

Does anyone have a link for a manual for a Saunier Duval Thema F23 please?

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Saunier Duval timeclock not working?

Home emergency plumber replaced both PCB's, now the timeclock which worked immediately before, does not work. Could this be related ie not reconnected properly? They say not and won't come out.

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Saunier Duval F35E auto-vents down to code 21 in minutes?

7 year old boiler, noticed code 21 (radiator circuit pressure low) so she opened the filling loop but left it open too long. It auto-vented, but kept going until the red light came on and code 21 agai ... more

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How can I fix Saunier duval Combi Boiler?

I have a Saunier duval Combi Boiler thema Condens F30E which has decided to leak from the water filter. Have changed the rubber seal but it continues to still leak. The silver clip at the back of the ... more

Saunier duval 24e condens heating?

Boiler heats water ok bot won't go past 52 degrees on heating so radiators are only getting warm

saunier duval?

My saunier duval boiler is showing code F1. What does it mean?

water heater?

I have Saunier Duval SD 14c TNL water in my motorhome, the pilot light functions but the main burners do not ignite when the water taps are turned on ?

'f19' error report - Saunier Duval 'Thermoclassic' boiler?

Recently my boiler is failing to deliver hot water. - It is hot at first then runs cold. On examination I find the boiler is flashing red and shows the error report 'f19.' My manual says this is beca ... more

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Saunier Duval Semia C24 not heating?

We have a C24 which is working sometimes and sometimes not, when it works it starts heating for 1 minute until it stops and then we get a red light. If we restart (button), then it is random to heat o ... more

where can i get an o-ring for a f24e?

where can i purchase an 0-ring for a saunier duval thermaclassic f24e boiler ?