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We have 60 questions about mending 'heating system programmer'

How to mend ... Heating System Programmer

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combi oil Worcester greenstar heatslave 12/18 switches off?

I have a internal combi oil Worcester greenstar heatslave 12/18 Its has a built programmer and Hot water t... [Read more]

siemens rwb9 connections to boiler?

I have a SIEMENS RWB9 central heating programmer. I am wanting to know the wiring layout for the connection to... [Read more]

Why does my Trianco Eurostar oil boiller not run the hot water system?

I have a 15 year old Trianco Eurostar oil burner with a built-in Horstmann timer and additional hot water tank... [Read more]

Boiler wont switch off?

I have a British Gas/Glow worm 330HE boiler fitted in 2006. Over the last few months a fault has been occuring... [Read more]

Problem with Worcester Heatslave 20/25 Programmer?

I have had three programmers fitted to my system for one reason or another. This one seems to be causing the ... [Read more]

Boiler wont switch off?

I have a British Gas/Glow worm 330HE boiler fitted in 2006. Over the last few months a fault has been occuring... [Read more]

Potterton EP2001 Central Heating Programmer Fault?

Programmer is in off position but Hot Water is being supplied to the tank. Only way to switch off hot water to... [Read more]

Potterton Programmer not controlling stat?

I developed a fault on my Potterton system as a direct result of trying to change the in room stat (Potterton ... [Read more]

Fault with ideal isar he 30?

My ideal isar he30 boiler keeps on heating the system when the programmer is off and goes to the preheat for t... [Read more]

isar HE30 no display on user control?

The display on our isar he30 user control is blank. The heating and hot water still works so I'm not so sure i... [Read more]

Heating programmer continuously flashing and clicking?

Went on holiday for almost a week and decided to switch timer off. When returned and switched it back on just ... [Read more]

siemens RWB9 Programmer Fault?

i have a fully pumped system with zone valves , one for heating and one for hot water, my problem is that when... [Read more]

Converting to Y Plan system?

I am converting my heating system to a Y Plan using mainly Honeywell parts for the wireless room thermostat (H... [Read more]

Central heating stops after about 2hrs running?

I have an Ideal Mexico Super RS 80 boiler which seems to run the heating system for about a couple of hours wh... [Read more]

Baxi Bermuda 401 ?

having just fitted a new electrical programmer after old one kept clicking and flashing and not lighting up ce... [Read more]

heating is erratic sometimes on then goes off fitter says system is overhea?

fitter seems to think system is overheating due to eitherpump grundfos1550 or programmer honeywell st699 being... [Read more]

Problem with my Vaillant eco tech 428?

I have got a Vaillant eco tech 428 heat only boiler which has been installed to a pressurised heating system. ... [Read more]

heating system?

I had a glow worm 24hxi boiler fitted to my existing y plan system using the original controls(programmer,room... [Read more]

Help! Someone with wiring knowledge of Potterton EP6002 out there?

I have the above programmer installed on my system several years ago.Recently the heating programme has failed... [Read more]

No water from hot taps with Vaillant ecoTEC plus 831?

System was installed 3 years ago and has worked well. Last few days we have been running in 24/7 and have low... [Read more]

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Mend Heating System Programmer

How to mend ... Heating System Programmer

combi oil Worcester greenstar heatslave 12/18 switches off?

siemens rwb9 connections to boiler?

Why does my Trianco Eurostar oil boiller not run the hot water system?

Boiler wont switch off?

Problem with Worcester Heatslave 20/25 Programmer?

Boiler wont switch off?

Potterton EP2001 Central Heating Programmer Fault?

Potterton Programmer not controlling stat?

Fault with ideal isar he 30?

isar HE30 no display on user control?

Heating programmer continuously flashing and clicking?

siemens RWB9 Programmer Fault?

Converting to Y Plan system?

Central heating stops after about 2hrs running?

Baxi Bermuda 401 ?

heating is erratic sometimes on then goes off fitter says system is overhea?

Problem with my Vaillant eco tech 428?

heating system?

Help! Someone with wiring knowledge of Potterton EP6002 out there?

No water from hot taps with Vaillant ecoTEC plus 831?

How to mend ...

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