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Mend Thelia 23 Boiler

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We have 16 questions about mending 'thelia 23 boiler'

How to mend ... Thelia 23 Boiler

boiler wont switch off?

my saunier duval thelia 23 wont stop burning even when theres no demand for heating or hot water. i have to s... [Read more]

the water pressure is below 1 bar ?

my boiler is saunier duval thelia 23 and the water pressure keeps going below 1 bar firstly is this dangerous... [Read more]

Saunier thelia 23 boiler not igniting?

I have a fault on the boiler, Everything seems to work but it will not ignite. I have checked the voltage to t... [Read more]

Saunier Duval Thelia 23 Code 64?

Hi Does anyone know what code 64 represents on the display of the Thelia 23 boiler, means I can start the b... [Read more]

saunier duval thelia 23 boiler?

What is fault code 64

Thelia 23 e boiler - pilot light?

My pilot light won't light - plus pressue bar needs adjusting,

How do I set the timer on my Saunier Duval 23 boiler?

I'm in rented accomodation with a Saunier Duval thelia 23 boiler. There are no instructions and while I can se... [Read more]

thelia 23 boiler problem hot water?

Concerning the thelia 23 boiler heating o/k but hot water only warm with control turned up to full. Could it b... [Read more]

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]

saunier duval thelia 23 when i use the boiler a screaming noise?

using the boiler there is a loud screaming noise the fan is on all the time and have to turn it off from the m... [Read more]

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]

How can I fix the boiler?

My boiler fires up as normal, however I have intermittent hot water while using the shower or bath. The hot wa... [Read more]

thelia 23, won't fire up (pilot lit, just won't heat water)?

When I try to turn the heating or hot water on, the fan keeps clicking between fast and slow, approx every sec... [Read more]

saunier duval thelia 23?

new house - dead boiler. I have replaced the diverter valve & piece which it mounts to, now the micro switches... [Read more]

boiler flame pulsate?

our boiler saunier duval, model No Thelia 23, when swathed on the flame pulsate, corgi reg engineer came to lo... [Read more]

thelia 23 boiler. No hot water upstairs when heating is on?

I have a Saunier Duval combi boiler, Thelia 23. Hot water works fine upstairs and down when the heating isn't... [Read more]

Remove cover plate on patio door?

Clear E1 error code on smeg dishwasher with no water or leak?

Mountfield empress drive belt?

Trying to find lawn mower part- Power Devil PDG4037R?

How to recoil the starter spring - Champion R484TR?

How can i mend my Aiwa HV-FX7700K?

How do i clear the TAM?

Throttle issue?

How can I set time on my Neff oven?

How to mend ...

Fix a tumble dryer Service your car Mend a vacuum Repair a mower Fix my dishwasher Mend your TV

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