How to mend ... Saunier Water Light

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 ... [Read more]

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]

Saunier Duval F24E Boiler?

Have a Saunier Duval F24E condenser boiler about 12 months old, pressure drops 2 or 3 a times a day after hot ... [Read more]

How can I fix low water pressure on Saunier Duval sd30e?

The low water pressure light is flashing and the boiler wont ignite. Have drained the system down and refille... [Read more]

Saunier Duval SD 623?

Hi all, I have a Daunier Duval SD 623 that last night stopped providing any hot water or heating. Lead... [Read more]

Saunier duvall boiler f24e - water pressure drops only when too cold?

For most of the year everything is ok with my boiler (saunier duvall thermaclassic 24e), but when its really r... [Read more]

Saunier Duval Pressure Drop?

Hi Saunier Duval F28. Pressure dropped so Red Light and stopped. Checked for leaks and refilled with blue va... [Read more]

Saunier Duval Thelia 623 - No spark or full ignition! HELP!?

Hi guys, I have a Saunier Duval Thelia 623 boiler. It stopped working recently and on opening i noticed the ... [Read more]

heating?

the red light on the saunier duval 30e is flashing, also there is water dripping from underneath the boiler.ca... [Read more]

no central heating but hot water working fine?

hi i have a saunier duval 30 e combi boiler.my hot water is fine but my central heating isnt working .there is... [Read more]

Saunier Duval Boiler - SD30e cutting out?

Hi, I have an SD30e combi boiler (exactly the same as a Glow-worm compact) and recently a diaphragm had to be ... [Read more]

S-Duval F30E boiler problem?

Saunier Duval F30E combi: HW is okay on its own. CH is okay on its own. But when CH is on and HW is turned... [Read more]

my saunier duval 30e system wont heat the radiators?

the boiler was left switched off while the property has been vacant, i have new tenants moving in and have tri... [Read more]

When heat in thermostate put two on , heating comes on for a while?

When heat in thermostate put two on , heating comes on for a while and when heatings on no hot water but pilot... [Read more]

Saunier Duval SD623: Flame goes off and on when boiler is on high setting?

For the past few months the boiler flame goes off and then on repeatedly when boiler is on high stting (when h... [Read more]

What has stopped my combi boiler working suddenly?

My Saunier Duval combi boiler (sorry no model no.) has suddenly stopped working. Before, a green light would ... [Read more]

my saunier duval sd40 water heater for my caravan the pilot light is n?

the pilot light will not stay on when i take my finger of the button replaced the main water tank last year tr... [Read more]

the pilot light keeps going out when im trying to light?

sut is collecting round the boiler cant get it to work just got a new tank were the water runs through it last... [Read more]

Problem with Saunier duval SD 30e?

When i run water the boiler fires up but the L.E.D lockout light illuminates after about 5-10 seconds.The same... [Read more]