On 20/05/2017 19:24, The Natural Philosopher wrote:
On 20/05/17 13:56, Phil L wrote:
The Natural Philosopher wrote:


Mate, the combi I have here currently wont even supply enough hot
water to drive ONE hot tap, bath or shower.,

All this proves is that you have low mains pressure

Compltely and utterly wrong

main pressure is about 8 bar

what i have is a combi that cant heat water fast enough and has
minuscule hott water store

So you need to turn the tap on less hard, or throttle the inlet with the
valve on the cold inlet to the boiler.

If you are expecting stored water bath fill rates from a combi, then you
are likely to be disappointed.

My combi is ten years old, never been serviced and supplies continuous
hot
(hard) water every time the tap is turned on, likewise the mixer shower,
which is powerful enough to actually hurt if it's on full.

no, it doesn't unless yu have around 50Kw rating

A small combi will do a decent shower (unless you want soaker heads or
additional body jets etc).

No water softener ever been in this house
To the OP, get a combi if you have reasonable mains pressure, if it comes
out of the tap like someone having a ****, go the other option


oh the water comes out aright. Cold

work out how big a combi needs to be to say dump 400 litres a minute of
water at 60 degrees

There will be very few households where the incoming main can supply at
that rate (or anything close to it). 40 lpm perhaps.

then work out how much more expensive that is than a small boiler with a
mains pressure hot water tank

then do the sensible thng

Which for a property with a couple of people, and one shower, may well
be fit a combi and save two grand.


--
Cheers,

John.

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