Switch fuse spures for combi boiler

[GeorgeCooke]

and if he put in a wrong fuse ,and then what.

If who put the wrong fuse in where?

 

[buzzlightyear]

If who put the wrong fuse in where?

Boilers are internally fused anyway.

for the boiler .

 

[GeorgeCooke]

OK half the question answered. The other half was who?

If it was the owner he should not opening it. If it was a gas safe engineer he should know better and would quite likely fit the wrong fuse in the fcu as well.

At the end of the day you cannot protect against idiots.