Need some help please

Agile said:
A 24 kW combi gives 9.3 litres per minute raised 35 *C and a good shower.

A 10.5 kW electric shower gives about FOUR litres per minute!

Enough to shower in but not what I would ever enjoy as a powerful invigorating shower!

Tony

Thanx for this.. had no idea there was such a difference :shock:
 
Bahco said:
Milo said:
These new 10.5kw electric showers are not far of being powers showers though right??

Around 5-6 litres per min is not what I call a powerful shower. :lol:

Should be adequate for you though unless you want something that delivers more LPM in which case you should consider a mixer shower with a pump.
Get a plumber in mate! :D

Thanx for your help.
 
Well if you define "power shower" as those with an integral pump, drawing hot and cold water from tank fed supplies, then clearly any 10.5 kW electric shower is NOT a power shower.

But why do you want a "power shower" if other showers can deliver as good or even better performance? Surely it's better to specify performance (e.g at lest 10 litres/min flow, etc.).
 
chrishutt said:
Well if you define "power shower" as those with an integral pump, drawing hot and cold water from tank fed supplies, then clearly any 10.5 kW electric shower is NOT a power shower.

But why do you want a "power shower" if other showers can deliver as good or even better performance? Surely it's better to specify performance (e.g at lest 10 litres/min flow, etc.).

Well, I basically wanted a powerful shower and as I know very little about plumbing or indeed showers I wasn't sure of any specifications.

When told by my plumber that I could have a power shower I assumed he meant one that was a "power shower".. I'm not too savvy on plumber lingo so didn't know he would refer to an electric shower as a pumped power shower.

If you indeed can point me in the right direction where I could purchase an electric shower that delivers just as good a performance as a power shower then it would be most appreciated.

Many thanx in advance for all the help.
 
Assuming we've got this "power shower" nonsense out of the way, we can now try to deal with your problem in a rational way. As i understand it you have mains pressure cold supply and hot water fed from a tank fed cylinder (possibly a Fortic type - what you call the hot water boiler in cupboard).

In which case you might well consider a "venturi" type shower - do a search on the internet, a couple of makes should show up. These use the mains cold water pressure to boost the tank fed hot supply, but without using pumps. Very simple and relatively cheap, although I have little practical experience with these - anyone know how they work in practice?
 
I've got one (a "Trevi Boost") and it's rubbish.

I'm in a second floor flat though so my mains pressure is rather unreliable.
 
Performance of a venturi shower will depend very much on the hot water pressure available at the shower head height (more so than mains cold pressure, I would have thought). It's not fair to say "rubbish" without specifying this pressure (head) and whether it meets requirements of installation instructions.
 

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