This web page describes:

 

· What a central heating clock is.

 

· What a central heating clock does.

 

· What can go wrong with a central heating clock.

 

Central Heating Links Page

Central Heating Clock

Related Pages:

 

¨ Central Heating Problems Page

 

¨ Hot Radiators Upstairs But Not Downstairs (or ‘Vice Versa’)

 

¨ Thermostats

 

¨ Central Heating Pumps

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What A Central Heating Clock Is

 

A central heating clock is the clock that controls the central heating.

 

The image below is an example of a central heating clock.

 

What A Central Heating Clock Does

 

The central heating clock, and the nearby controls, can:

 

· Turn the central heating off.

 

· Turn the central heating on.

 

· Turn the central on and off at different times during the day.

 

· Turn the central heating on and off on different days of the week.

 

Different central heating clocks have different levels of control.

 

 

 

What Can Go Wrong With A Central Heating Clock

 

Things that can go wrong with a central heating clock:

 

· Timer is set to the wrong time.

 

· Time set to AM when it should be PM or time set to PM when it should be AM.

 

· Time the central heating should come on set to AM when it should be PM or PM when it should be AM.

 

It is not often possible to repair a central heating clock; if setting the times correctly does not fix the problem you will usually need to replace the clock.

 

Further advice on central heating clock problems

 

 

 

Central Heating Troubleshooting Links

 

Central Heating Problems – Advice & Help  – main Judge Electrical central heating help and advice page.

 

Hot Radiators Upstairs But Not Downstairs – advice & help to solve this problem.

 

Thermostats – what a thermostat is, what central heating system thermostats are used for; shows what central heating thermostats look like.

 

Electrical RCD – Find, Reset, Investigate A Constantly Tripping RCD – is the central heating RCD tripping? How to find the RCD domestic unit, reset an RCD and how to investigate constantly tripping RCDs.

 

Central Heating Pumps – what they are, what they do, common problems & symptoms and common fixes.

 

Lockshield Valve – what a central heating system lockshield valve is and what it does.

 

How To Bleed A Radiator – instructions with pictures.

 

Central Heating Noises – what can cause different types of noises.

 

Central Heating Boiler Problems – Advice & Help  – advice and help on solving common central heating boiler problems.

 

All Radiators Downstairs Cold – possible explanations.

 

Single Radiator Not Working – possible explanations.

 

Central Heating Boilers – Information about central heating boilers.

 

Banging Noise – possible explanations.

 

Humming Noise – possible explanations.

 

Creaking Noise – possible explanation.