Replacing double oven with single oven.

Question

Hi all

A little friendly advice required please.....

I need to replace my built-in double oven that has a power rating of 4.2 kW and is, as far as I can ascertain, on its own circuit due to having its own circuit breaker at the mains fuse box and main switch at the wall next to the oven.

I have bought / replaced my own ovens without issue before, but something is making me doubt myself and seek clarity.

My question is, so long as the replacement oven is equal to or less than 4.2 kW, it should be a straight forward, like-for-like replacement...... Shouldn't it?

Would I have to replace the cable running from the oven to the wall switch or consider anything else?

Many thanks in advance for your advice.

Nick

John · Accepted Answer

Any electrical work on any circuit in your house regardless if you own the property or not should be carried out by a competent person who can certificate the change thats what the law states but other than that the rational behind the request is yes you can do it but how do you know its safe?

Kyle · Answer

Hello,

Just a couple of bits of further information needed to advise you. What size is the current MCB in the fuseboard for the cooker and what is the size of the new oven in terms of rating. 

It’s likely that your new oven will be lower in power usage then the double so if it is being wired directly to the wall plate then the fuse may need to be de rated to offer the best protection. 

If you could send over those bits of info and maybe a picture if it allows you then I would be happy to advise you further. 

Many thanks.

John · Answer

Hi nick yes it should b a like for like replacement cable size fuse ok etc take a foto once isolated and removing wire from the old oven so as you get the right connections again ie red live black nuetral l and b or l brown if new coloured cable and  blue to nuetral n and remember connect earth back up green and yellow and make sure connect are tight and your all set good luck 🤞

Replacing double oven with single oven.

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