Replace two-way two-light switch with one dimmer

[amark16]

Hi everyone,
I have a 2-switch light switch downstairs which controls the upstairs landing light and hall pendant and want to replace this with a single dimmer for the hall light, and "deactivate" or "isolate" the landing light wiring downstairs(i'm happy to control this from upstairs only).
Please see the photos below, I hope they are clear enough for someone to help me with the wiring.
many thanks

WALL CASE

Untitled

• amark16
• 23 Oct 2014
• 1

Wall case

EXISTING SWITCH WIRING

Untitled

• amark16
• 23 Oct 2014
• 1

Existing switch wiring

NEW DIMMER

Untitled

• amark16
• 23 Oct 2014
• 1

New dimmer switch

 

[EFLImpudence]

It's a silly idea to do away with the landing switch downstairs

 

[Taylortwocities]

…….input deleted because I did not read the original post properly……...

 

[winston1]

Yes, you can do it easily, though I wouldn't myself. The two thicker red wires go to the dimmer. Of the other 3 red, yellow, and blue need to be put in a bit of chock block. The one that goes to the common of the switch, probably the red, needs to be connected to either of the remaining two. If the upstairs switch then works upside down it needs connecting to the other one instead.

 

[ericmark]

Do be aware grid switches will allow you to have a dimmer and a two way switch on the same switch face.

As winston1 says here and I said on the other forum it is possible either yellow or blue to red. Either will work but one will get switch up for on the other will be down for on.

 

[ban-all-sheds]

It's a silly idea to do away with the landing switch downstairs

amark - do you actually want to get rid of the downstairs switch for the landing light?

 

[amark16]

thanks for the replies everyone.
I don't actually want to remove the landing light switch downstairs I'm just not aware of a face with one dimmer and one switch because I don't really want a dimmer for the landing. Unless this is what we mean by grid switches with one dimmer and one switch in the same face? Just dawned to me!

 

[ban-all-sheds]

With some makes of 2-gang dimmers you can buy a replacement module which is just a switch, but it looks the same. Less faffing about than a grid system.

 

[ericmark]

The grid switch system is expensive it is made up of:-
Back Box may be able to use original?
Plate £1.05
Dimmer £29.21
Two way switch £1.27
Front £3.09

There are many other makes I have only linked to Screwfix to give an example.

 

[Taylortwocities]

With some makes of 2-gang dimmers you can buy a replacement module which is just a switch, but it looks the same. Less faffing about than a grid system.

Aye, buy a 2 gang dimmer and one of THESE

Meerkat

• Taylortwocities
• 11 Dec 2009
• 53

Simples!

 

[phatboy]

I would favour the grid option personally, a dimmer that doesn't dim is a little confusing!

 

[ban-all-sheds]

Where's the dimmer that doesn't dim?

There's a dimmer. Which does dim.

And there is a switch. Which does not dim. Because it is not a dimmer. It is a switch.