If I have two electric showers ....
- Thread starter GRC
- Start date
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It's a possibility, the only downside being a long heat-up time compared with the Mira, as the boiler is two floors below the bathroom. This might not find favour with OH.
As OP says, since the plumbing is already there with a mains-pressure cold water feed, I considered instant electric shower first.
If the HW comes from the boiler at mains pressure, does the CW feed have to be mains pressure likewise?
As OP says, since the plumbing is already there with a mains-pressure cold water feed, I considered instant electric shower first.
If the HW comes from the boiler at mains pressure, does the CW feed have to be mains pressure likewise?
yes
and you say you have already got it
the main difference is that this method will work, whereas installing a new CU and additional circuit for the additional electric shower will cost a lot and probably still overload your household supply
A gas combi shower will also supply more hot water than the pitiful flow from an electric shower, at lower cost per litre.
and you say you have already got it
the main difference is that this method will work, whereas installing a new CU and additional circuit for the additional electric shower will cost a lot and probably still overload your household supply
A gas combi shower will also supply more hot water than the pitiful flow from an electric shower, at lower cost per litre.
That would mean:
Upgrade from DNO
New 17th edition consumer unit with suitable tails
Bringing the wiring and bonding up to spec
Then you can think about the new shower. Even 2 small showers will count for some 70 amps leaving 30 for the rest of the house. Only consider it if all your cooking is on gas.
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It's not, but some work has to be notified to Building Control in advance, with a description of how you intend to comply with the Building Regulations, and their standard application fee paid.
//www.diynot.com/wiki/electrics:part-p
you mean the Part-P?
there are "The Building (Scotland) Regulations 2004", of which Schedule 5, section 4, subsection 4.5 Electrical safety reads..
which is more or less what the actual part P of the building regs say..
Schedule 3 provides details of what doesn't require a warrant ( scotish equivalent to notification ).
there are "The Building (Scotland) Regulations 2004", of which Schedule 5, section 4, subsection 4.5 Electrical safety reads..
which is more or less what the actual part P of the building regs say..
Schedule 3 provides details of what doesn't require a warrant ( scotish equivalent to notification ).
depends on the boiler, and if the shower is thermostatic. flow from my boiler slows down dramatically as it warms up.
G
Goldberg
I'm curious - why would a correctly installed combi give a poorer output than an electric shower of merely half the power rating?
Because its an 18 year old Worcester 9.24e.
G
Goldberg
So what's preventing it from delivering 24kW?
K
kai
Why is it that many flats can survive off one 60amp main fuse feeding two 10.5 kw showers, in two en-suites, without problems? 
Has any one out there actually encountered things like tar leaking out of the service fuse in any Flats type installation with two showers???
Has any one out there actually encountered things like tar leaking out of the service fuse in any Flats type installation with two showers???
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