Just had central heating fitted

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Hi,
Ive just had a whole new central heating system fitted, the combi bolier is a pro exclusive 24. I wasn't very impressed with the guys who fitted it, so was just glad to get them out my house when they finished, they have wired the combi boiler on to a plug and plugged it into a socket, which i'm not happy with. I've got 2 quick questions.

1) The combi boiler is wired to a plug using 1.5mm wire i had laying around, i used this wire for a security light in the garden, is it safe to use it on the boiler?

2) Can i get the new combi boiler wired into the wires that used to go to my emmersion boiler?

thanks
 
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1.5mm is for lighting circuits. Ideally it should be on it's on curcuit via a fused spur and then back to the consumer unit in 2.5mm.
 
0.75mm flex, preferably heat resistant is all that's required. Make sure it is on a 3amp spur of plug.

What you have is just unprofessional rather than unsafe.
 
Nothing at all wrong with putting it on a plug, it's a great way of providing safe isolation while the boiler is being worked on.
 
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Its OK, but, only if it is an Unswitched socket (full and proper/safe isolation of appliance).

A lot of new boilers have flying leads already attached from the factory for this very purpose.

DH
 
Thanks for the reply's, the guy said its best to get it wired to a permenent live, so i can have the socket back, can it be wired to the old emersion boiler wires, i know that is connected to the comsumer unit. Failing that is 1.5mm ok as 1 reply says no, and 1 says .75mm would be ok.
 
It depends on what type of cable it is. If it's the grey (possibly white) flat twin & earth cable that you usually get behind sockets for fixed wiring, and thus only has one solid conductor per core, then it is not fit for purpose and should be rejected.

Flex is the only appropriate cable for use in non-fixed wiring. Nothing wrong with a socket though.
 
only dreadnoughtheating has given you the correct reply, the cable must be a minimum of 0.75mm2 and preferably into a double poled fused spur with a fuse of 3Amp, if into a plugged socket then this must be unswitched so that any engineer working on the appliance will pull the plug out when working on the appliance, the thinking behind this is that if it was a switched socket then any engineer working on the appliance might think that the appliance was isolated by switching it off and if you had reversed polarity they could still get Zapped
 
Out of interest, where is it installed? And did they not have their own cable? Are they gas safe?
 

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