My first cylinder install with boiler

[ShaunCorbs]

THATS why benchmarks is asking for it I guess if you are in a hard water area above 200 you require one that’s what benchmark says . can’t remember 100% but you definitely have to fit one

Not true, scale filter isn't required on an unvented

Now if it is over 200ppm then you require a softening

 

[Last Plumber]

Lol you know what.. I was really excited to do it as it was my first fresh system and the wiring was no issue.. wired it up, switched it on and everything worked!! Happy days! Had to check the cylinder stat wiring as I’ve never done that before but yeah.. probably the easiest part of the whole job.. who’d have thought eh

Apart from the bits and bobs others have mentioned it looks good.

The only wee thing I would add is that the immersion would be best on a 20 Amp Switch as opposed to a 13 Amp switched fused spur.

 

[jaydebruyne]

Apart from the bits and bobs others have mentioned it looks good.

The only wee thing I would add is that the immersion would be best on a 20 Amp Switch as opposed to a 13 Amp switched fused spur.

Cheers last!! An electrician wired up the immersion lol immersion’s don’t draw more than 13 amps, why would you need a 20 amp switch?

 

[Best]

Cheers last!! An electrician wired up the immersion lol immersion’s don’t draw more than 13 amps, why would you need a 20 amp switch?

I actually had the same point about immersion switches on this forum and it was clarified by some of the more electrical experienced guys, maybe Shaun.
The immersion works on the limit of 13amp, so a spur switch that is 13amp might burn out at the internal switches (for neutral and live) or at the 13 amp fuse.
It depends on if the supply is 240 volt or if it is lower, because the amps raise if voltage lowers I think.
Normally you will have 15 or 16 amp fuse or the mcb fuses at electric consumer unit and then any switches on that for the immersion should be 20 amp 2 pole switches.

 

[jaydebruyne]

I actually had the same point about immersion switches on this forum and it was clarified by some of the more electrical experienced guys, maybe Shaun.
The immersion works on the limit of 13amp, so a spur switch that is 13amp might burn out at the internal switches (for neutral and live) or at the fuse.
It depends on if the supply is 240 volt or if it is lower, because the amps raise if voltage lowers I think.
Normally you will have 15 or 16 amp fuse or the mcb fuses at electric consumer unit and then any switches on that for the immersion should be 20 amp 2 pole switches.

Makes sense.. thanks for clarifying Best

 

[ShaunCorbs]

Correct best but in certain circumstances the immersion can be taken off the ring main and doesn't need its own circuit

 

[Best]

Sparks use 13 amp fused spurs on everything and leave the 13 amp fuse in them on heating wiring etc.
Idiots! Never trust a Spark.

 

[Best]

Correct best but in certain circumstances the immersion can be taken off the ring main and doesn't need its own circuit

I knew you would add that!

 

[jaydebruyne]

Correct best but in certain circumstances the immersion can be taken off the ring main and doesn't need its own circuit

I went to service a megaflo about a month ago and had Main and boost immersion wired together using a single cable into a 16amp circuit breaker.. disconnected the boost immediately!!!

 

[ShaunCorbs]

I knew you would add that!

It's weird as a stnd immersion can pull around 12-13 amps

but to trip a fuse you would need to be pulling around 26 amps and on a mcb closer to 20 amps scary lol

 

[ShaunCorbs]

I went to service a megaflo about a month ago and had Main and boost immersion wired together using a single cable into a 16amp circuit breaker.. disconnected the boost immediately!!!

Both 3kw immersion or a 1.5kw and 3kw ?

 

[ShaunCorbs]

Sparks use 13 amp fused spurs on everything and leave the 13 amp fuse in them on heating wiring etc.
Idiots! Never trust a Spark.

Most can't even wire an s plan it's getting less and less that are able to do it

 

[Best]

On the subject of 13amp spur switch on immersion’s being totally wrong, - my house had same in airing cupboard as the final isolator for immersion. Had been working perfectly for over 40 years of daily use, until I replaced it with a 20 amp switch with neon.
But the old MK switch was probably better quality than the new switches

 

[ShaunCorbs]

On the subject of 13amp spur switch on immersion’s being totally wrong, - my house had same in airing cupboard as the final isolator for immersion. Had been working perfectly for over 40 years of daily use, until I replaced it with a 20 amp switch with neon.
But the old MK switch was probably better quality than the new switches

And do you realise standard 13amp fcu will be rated at around 18amps for safety (able to take 13amps easy)

 

[jaydebruyne]

Both 3kw immersion or a 1.5kw and 3kw ?

2 x 3kw elements

 

[ShaunCorbs]

2 x 3kw elements

did it blow the fuse ?

 

[jaydebruyne]

did it blow the fuse ?

Lol I were’nt gonna Flick the switch

 

[ShaunCorbs]

Lol I were’nt gonna Flick the switch

Chicken was it warm ?

 

[jaydebruyne]

Chicken was it warm ?

Funnily enough the cylinder was heated by the boiler so I didn’t need to test them both.. just disconnected the boost and tested the main.

 

[Harvest Fields]

Most can't even wire an s plan it's getting less and less that are able to do it

Probably shouldn’t say this but I do my own wiring.

 

[ShaunCorbs]

Probably shouldn’t say this but I do my own wiring.

So do I easier in the long run

 

[jaydebruyne]

Probably shouldn’t say this but I do my own wiring.

Same here..

 

[Best]

And do you realise standard 13amp fcu will be rated at around 18amps for safety (able to take 13amps easy)

Yes, a friend of mine is an electrical/electronics guy and told me the fuses are rated much higher.
Not sure what extra % of amps he told me, but think he said they could take surges for short periods.
I am still trying to learn the more technical bits of electrics.

 

[ShaunCorbs]

Yes, a friend of mine is an electrical/electronics guy and told me the fuses are rated much higher.
Not sure what extra % of amps he told me, but think he said they could take surges for short periods.
I am still trying to learn the more technical bits of electrics.

About 11/2 times rated amps for an hour

 

[Last Plumber]

I actually had the same point about immersion switches on this forum and it was clarified by some of the more electrical experienced guys, maybe Shaun.
The immersion works on the limit of 13amp, so a spur switch that is 13amp might burn out at the internal switches (for neutral and live) or at the 13 amp fuse.
It depends on if the supply is 240 volt or if it is lower, because the amps raise if voltage lowers I think.
Normally you will have 15 or 16 amp fuse or the mcb fuses at electric consumer unit and then any switches on that for the immersion should be 20 amp 2 pole switches.

Twas I, many moons ago !