"SantaUK" Aye Right!! wrote in message
...
My m8 just had new taps fitted to his kitchen sink during a new kitchen
installation in his flat. Everything
went well. But he's came across a problem. His hot water tank is in an
airing cupboard next to his kitchen.
The new taps, mixer variety, the spout goes in an arc, and the top of the
arc is approx 60mm higher than the
hot water tank.

His cold water out the tap is great, but the hot water out the tap is
slow. I'm guessing the height of the
arc above the tank is the issue? Am I right? I seem to recall his
previous mixer was a lot lower.


Hi SantaUK,

It's not really a matter of the height of the hot water tank, but more a
matter of the height of the cold water tank that feeds the hot tank. I've
had pointed out to me many time in the group, that it is possible that the
mixer tap is set to run at high pressure and that may be the most likely the
cause. The only solution others have come up with, is to change the taps
for a low pressure one.

Someone will probably confirm this for us.


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Oh and another thing is that the bathroom is the opposite side of the airing cupboard and both bath and sink
taps are perfect.

--

SantaUK
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"SantaUK" Aye Right!! wrote in message
...
Oh and another thing is that the bathroom is the opposite side of the
airing cupboard and both bath and sink
taps are perfect.



SantaUK



But the bath and basin taps are not normally set for use on high pressure.
What happens to the sink tap, is that it isn't possible to tell which side
of the mixer will be fitted to the cold mains drinking water, so both sides
of the tap are set to take high pressure. If the hot water is not on or
above, normally, 3 bar, then it runs very slowly.

If your pal has the manual or instruction booklet for the taps, then ask him
/ her to check and see if it is for a high pressure system.


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If your pal has the manual or instruction booklet for the taps,
then ask him / her to check and see if it is for a high pressure
system.

Occasionally, taps can be converted by removing a flow restrictor on the
inlet pipework. If there is one on the hot inlet, take it out! They often
take the form of a plastic screw inserted into the pipe that seriously
reduces the available bore.

The other possibility is that there is an airlock in the pipe to the tap.
This frequently happens in gravity systems where there isn't the pressure
and flow to blast air pockets out along the pipe. These can often be
resolved by connecting the mains cold to the gravity hot for a short time to
blast the air pocket back into the cylinder where it vents off. This is
easily done at a mixer tap by sealing up the spout with some sort of rubber
or squashy plastic pad held on with a tea towel and turning on both taps.
Don't do it too long, or you'll water spouting out of the vent and
overflowing the header tank.

Christian.

"SantaUK" Aye Right!! wrote in
:

Well the cold water tank is in the loft so that should help prevent
this then.


Not if your hovel is a bungerlow like what mine is

mike r

I have found the simplest way to clear an air lock it to take both hoses of
the washing machine & connect 1,ONE hose to both outlets, 1 hot & 1 cold,
then turn on the hot fully & slowly open the cold, if there is an air lock
you will hear much grumbling from the cylinder, when the grumbling stops,
then turn off the cold, then the hot, & try the hot tap over the sink.
If it is a bit better but gets worse then repeat the above for a bit longer,
could be your hot feed from the cylinder goes up for a while before it goes
down to the kitchen, hence the air lock.

When I fitted kitchens I would always check the flow in front of the client
BEFORE starting work, then if it was poor when I started they had no ground
to complain if it was poor when I finished
Otherwise they will always say it was OK before you started work

Good luck


--
regards
Dave Batter
Kitchenman
www.kitchenman.co.uk
www.sxmitres.info
www.marks-family.co.uk
http://oneandone.co.uk/xml/init?k_id=5568652
"SantaUK" Aye Right!! wrote in message
...
Done that one already - but I am now curious about the point of the
pressure reducer on the taps. I'll check
that one out.


--

SantaUK
Mail me at:
arjf (ng) zzvyyne (qbg) pb (qbg) hx === ROT13
Use http://andrewu.co.uk/tools/rot13/ to convert to readable format





"Christian McArdle" wrote in message
. net...
If your pal has the manual or instruction booklet for the taps,
then ask him / her to check and see if it is for a high pressure
system.

Occasionally, taps can be converted by removing a flow restrictor on the
inlet pipework. If there is one on the hot inlet, take it out! They
often
take the form of a plastic screw inserted into the pipe that seriously
reduces the available bore.

The other possibility is that there is an airlock in the pipe to the
tap.
This frequently happens in gravity systems where there isn't the
pressure
and flow to blast air pockets out along the pipe. These can often be
resolved by connecting the mains cold to the gravity hot for a short
time to
blast the air pocket back into the cylinder where it vents off. This is
easily done at a mixer tap by sealing up the spout with some sort of
rubber
or squashy plastic pad held on with a tea towel and turning on both
taps.
Don't do it too long, or you'll water spouting out of the vent and
overflowing the header tank.

Christian.







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