Recent: Scantronix 9450 box stuck shut?

Mend Home Heating Systems

Heating, Home Heating Systems howtomendit.com find out how to mend just about anything.
Categories

How to mend ...

Mend Baxi Mend Bosch Mend Boulter Mend Britony Mend Dimplex Mend Drayton Mend Ferroli Mend Halstead Mend Heatline Mend Kohlangaz Mend Myson Mend Potterton Mend Remeha Mend Siemens Mend Switchmaster Mend Vaillant Mend Vokera Mend Worcester

Latest Questions

Mend 30 boiler fire flashing
2

Worcester 30 Cadillac combi boiler won’t fire up and the EA?

my worcester 30 cdi combi combi boiler wont fire up and ''ea'' keeps flashing? my worcester 30 cdi combi bo... [Read more]
Mend Heating, Home Heating Systems
1

Greenstar 24Ri boiler, fast flashing - can I reset?

Greenstar 24Ri boiler won't light and the blue light is fast flashing. From the manual I can see that the iss... [Read more]
Mend Heating, Home Heating Systems
1

Oil fired boiler thermostat?

I have a Velaire 110/135 oil fired domestic boiler. I think the boiler thermostat may be faulty. The manual sa... [Read more]
Categories

Mend Thelia 23

Free repair help

We have 16 questions about mending 'thelia 23' in category Heating, Home Heating Systems

How to mend Thelia 23

Mend boiler wont switch off
1

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]
Mend water pressure below 1 bar
2

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]
Mend code display boiler

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]
Mend hot water moved
2

Thelia 23 hot water problems?

Just moved into a property with a thelia 23 heater and I'm having problems getting the water hot enough for a ... [Read more]
Mend increase water bolier

How do i increase the water pressure in my thelia 23 bolier?

How do i increase the water pressure in my thelia 23 bolier
Mend boiler pressue bar

Thelia 23 e boiler - pilot light?

My pilot light won't light - plus pressue bar needs adjusting,
Mend set timer boiler
1

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]
Mend boiler water concerning heating control

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]
Mend 23 boiler pressure
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]
Mend water bottom heating top
2

how can i fix water pressure on thelia 23?

pressure is totally on the bottom but it is still heating but in the top rooms of the house the radiators are... [Read more]
Mend saunier boiler fan
1

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]
Mend saunier duval pilot light
1

Saunier Duval Thelia SB 23 - pilot won't light or stay lit?

The pilot will light with a match but there is no 'spark' and if lit with a match , the flame dies when the 'O... [Read more]
Mend fire turn hot
1

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]
Mend increasing water pressure
1

Increasing water pressure?

How do I increase the water pressure in a Saunier Duval Thelia 23? I believe this is done by locating the fili... [Read more]
Mend saunier duval 23
1

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]
Mend boiler hot water upstairs
1

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]

Try searching for...

Boiler Wont Switch OffWater Pressure Below 1 BarCode Display BoilerHot Water MovedIncrease Water BolierBoiler Pressue BarSet Timer BoilerBoiler Water Concerning Heating Control23 Boiler PressureWater Bottom Heating TopSaunier Boiler FanSaunier Duval Pilot LightFire Turn HotIncreasing Water PressureSaunier Duval 23Boiler Hot Water Upstairs
Mend Heating, Home Heating Systems

Siemens RDJ10RF thermostat problem?
Mend Heating, Home Heating Systems

Oil fired boiler thermostat?
Mend 30 boiler fire flashing

Worcester 30 Cadillac combi boiler won’t fire up and the EA?
Mend worcester boiler radiators months

Worcester boiler dripping water?
Mend Heating, Home Heating Systems

Remove cover off gas boiler?
Mend vaillant f22 water hot

Vaillant ecotec 831 plus?
Mend remove cover front

Remove boiler cover?
Mend Heating, Home Heating Systems

Greenstar 24Ri boiler, fast flashing - can I reset?
Mend Heating, Home Heating Systems

How to fix my fireplace?

How to mend ...

Mend Baxi Mend Bosch Mend Boulter Mend Britony Mend Dimplex Mend Drayton Mend Ferroli Mend Halstead Mend Heatline Mend Kohlangaz Mend Myson Mend Potterton Mend Remeha Mend Siemens Mend Switchmaster Mend Vaillant Mend Vokera Mend Worcester

Ask Question

Ask your question Do you need free help? Ask your question.

howtomendit.com for free repair help, information and advice.
Ask Question
Mend Kitchen Appliances, Electric Cookers
Mend Vehicles, Cars
Mend Vehicles, Vans
Mend Vehicles, Motorcycles

How to mend ...

Question
How can I repair my laptop battery?
Question
How can I change my drum belt?
Question
How can I remove a tape from my VCR?
Question
How can I eject a stuck CD?
Question
How can I mend my Fisher Paykel washer?
Question
How can I repair my Vauxhall car?