How to mend Saunier Boiler Heating

1

How can I fix the leak in Saunier Duval Thelia 23 boiler?

I have no pressure on the gauge and have a water leak, there is no hot water or heating and am desperate to ha... [Read more]

2

How to drain a Saunier DUVAL boiler and CH system?

How do i drain down a Saunier Duval central heating system? Also how do i refill it? What "chemicals" must i a... [Read more]

1

saunier duval thelia 623 combi?

the boiler gas flame run on low flame on heating neaver goes on full flame

2

Saunier Duval combi - central heating OK, yet no hot water?

Very useful to have these forums, so can anyone please help, or is it the changeover valve, as someone else's ... [Read more]

1

I have a saunier duval combie boiler?

It only boosts for hot water from a tap. it doesnt boost when i put the heating on and the radiators are cold... [Read more]

2

No hot water coming from the boiler?

I hope someone can help. I had a small leak in my kitchen which was easily repaired but the mains water had to... [Read more]

1

boiler lock out no hot water?

saunier duval 30e. boiler locks out when hot tap is opened, if hot tap is opened while boiler is fired up for ... [Read more]

3

Saunier Duval Thelia 23- no heating/hot water?

The problem seems to be the clock/programmer. With the slector switch set to 'auto' the display will normally... [Read more]

2

how to fix timer on Saunier Duval boiler?

The timer on my SD boiler doesn't go around as it should. I can hear it ticking when I put my ear close and if... [Read more]

1

Saunier Duval Thelia 623 has hot water but no heating help?

For the last 4 weeks i have had the boiler on Summer mode ie just used fof hot water which is ok , but when i ... [Read more]

1

heating?

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

1

NO HOT WATERFILLING LOOP ON SAUNIER DUVAL SD 623?

SAUNIER DUVAL SD 623 COMBI BOILER PRESSURE AT ZERO BAR HEATING OK BUT NO HOT WATER. FILLING LOOP PESSURE LOOP... [Read more]

4

Failing hot water on a Saunier Duval F30E Themaclassic combi?

I have a 4 yr old Saunier F30E standard combi running on natural gas and the hot water is failing dismally. Ho... [Read more]

1

Saunier Duval Thelia 623 boiler / shower issue?

Saunier Duval Thelia 623 combi boiler The weathers nice at the mo so the cental heating has been off the l... [Read more]

1

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]

1

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]

1

saunier duval isomax c/h and hot water working but not hot?

Saunier duval isomax, when i run the hot water it works fine for 5 minuits due to it having a storage tank ins... [Read more]

1

limited hot water?

Hi i have a saunier duval thema condens f30e, the problem is with the hot water it works for 10 seconds or so ... [Read more]

1

Saunier Duval Thelia 623 boiler?

I have just noticed that there is very low pressure in my hot water taps. I have checked the boiler and the pr... [Read more]

2

Water pressure disappering?

I top my boiler(Saunier duval SD620F) up every day to have found out it is leaking from the over flow pipe out... [Read more]