Size of suppliers fuse vs RCD

[DuncanS]

Here's a scenario, I'm adding two new circuits to a mini consumer unit for my first ever NAPIT inspection... Just noticed that the main switch/RCD is rated to 100amps but the suppliers main fuse is only 80amp, should I change the RCD to one that's 80amp or lower, I don't want the NAPIT spark to think I've over looked anything...
just to add detail the circuits on the board are as follows, oven 32amp breaker! shower 45amp breaker, jacuzzi 20amp breaker.

 

[mechelec]

Don't have a shower mate, we're not filthy buggers though.

Tin bath in front of the fire is it. Does the whippet go first or last.

 

[Brightspark2]

Are you sure you are not a troll.

Definitely not...

I'm not usually involved in the dressing down of members on here but a question like this concerns me. Is the OP ready to work on his own?.

 

[trev]

No way!! . Baths eh!! All that water!!

Yeah man! wallowing in red hot water for a good while, there's not much better

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Tin bath in front of the fire is it. Does the whippet go first or last.

How very dare you! We have a German Shepherd!

 

[Engineer54]

If the flow rate is X litres per minute at the water isolator upping the wattage of the shower is not going to change that.

I get a very decent shower summer and winter (and it gets a damned sight colder here than the UK) And my shower is only 4.7 KW!!! I can also adjust the flow rate on mine...lol!! Personally i'd never buy any electric shower and never have. At home, my water system is pressurised, in spring/summer the hot water side of things is heated by the sun and in winter by the CH boiler....

Why anyone would need anything like a 10.8KW shower, (apart from one upmanship with the neighbours) is beyond me!! lol!!