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Posted by romanallison on November 1, 2007, 2:19 pm
I have a Price Pfister shower faucet, it is a single lever turn handle
type. When I turn it to the cold water setting I get hot water for the
first few minutes. It then goes cold but it is very hard to regulate
warm water, I either get hot or cold. I was assuming it is a valve
within the cartridge that separates the hot and cold. I am also
getting hot water coming out of the sink tap for about 30 seconds now
as well. Will replacing the cartridge in the shower faucet solve both
problems or is something else going on with the plumbing?
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Posted by Chris Lewis on November 1, 2007, 2:27 pm
show/hide quoted text
> I have a Price Pfister shower faucet, it is a single lever turn handle
> type. When I turn it to the cold water setting I get hot water for the
> first few minutes. It then goes cold but it is very hard to regulate
> warm water, I either get hot or cold. I was assuming it is a valve
> within the cartridge that separates the hot and cold. I am also
> getting hot water coming out of the sink tap for about 30 seconds now
> as well. Will replacing the cartridge in the shower faucet solve both
> problems or is something else going on with the plumbing?
Is it a pressure balance faucet? Do you have continuous hot water
circulation for "instant heat"?
I could see a pressure balance faucet malfunctioning and doing
something like this, but not so that it would affect another
fixture. If you have continuous hot water circulation, some
setups will have warm water out of the cold faucet for a short
period.
Otherwise, it could be a cross-connect between hot and cold somewhere
else in the plumbing. Don't laugh, I saw a setup where the HWT
outlet was directly cross-connected with the cold side, and it
went undetected for _years_, before someone used to how it _should_
work (me) said "it shouldn't be working like this" (hot wasn't
very hot, and didn't last long), and spending half an hour tracing
the pipes.
--
Chris Lewis,
Age and Treachery will Triumph over Youth and Skill
It's not just anyone who gets a Starship Cruiser class named after them.
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Posted by romanallison on November 1, 2007, 6:32 pm
On Nov 1, 2:27 pm, cle...@nortelnetworks.com (Chris Lewis) wrote:
show/hide quoted text
> > I have a Price Pfister shower faucet, it is a single lever turn handle
> > type. When I turn it to the cold water setting I get hot water for the
> > first few minutes. It then goes cold but it is very hard to regulate
> > warm water, I either get hot or cold. I was assuming it is a valve
> > within the cartridge that separates the hot and cold. I am also
> > getting hot water coming out of the sink tap for about 30 seconds now
> > as well. Will replacing the cartridge in the shower faucet solve both
> > problems or is something else going on with the plumbing?
> Is it a pressure balance faucet? Do you have continuous hot water
> circulation for "instant heat"?
> I could see a pressure balance faucet malfunctioning and doing
> something like this, but not so that it would affect another
> fixture. If you have continuous hot water circulation, some
> setups will have warm water out of the cold faucet for a short
> period.
> Otherwise, it could be a cross-connect between hot and cold somewhere
> else in the plumbing. Don't laugh, I saw a setup where the HWT
> outlet was directly cross-connected with the cold side, and it
> went undetected for _years_, before someone used to how it _should_
> work (me) said "it shouldn't be working like this" (hot wasn't
> very hot, and didn't last long), and spending half an hour tracing
> the pipes.
> --
> Chris Lewis,
> Age and Treachery will Triumph over Youth and Skill
> It's not just anyone who gets a Starship Cruiser class named after them.
Thanks for responding. It's the original faucet installed by the
builder, I don't think it is a pressure balance faucet. It hasn't
given us any problems for 7 years. We have the typical tank type water
heater. Could it be cross-connected and not detected for 7 years (I
use the shower every day)? We are not getting the "(hot wasn't very
hot, and didn't last long).
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Posted by Chris Lewis on November 3, 2007, 11:32 pm
show/hide quoted text
> Thanks for responding. It's the original faucet installed by the
> builder, I don't think it is a pressure balance faucet.
PB faucets attempt to keep the water temperature constant when
hot or cold are drawn somewhere else in the house. I suspect
virtually all show faucets installed in the last 10 years or so
are PB in order to ensure that the water temperature never exceeds
a given value. You can often tell by seeing if there's any sort of
limit stop under the knob with an adjustment screw.
I believe PB devices sometimes get crudded up (with very hard
water or grit) and "stick".
show/hide quoted text
> It hasn't
> given us any problems for 7 years. We have the typical tank type water
> heater. Could it be cross-connected and not detected for 7 years (I
> use the shower every day)? We are not getting the "(hot wasn't very
> hot, and didn't last long).
The other symptom was that the water temperature was erratic. Without
_any_ other water being drawn in the house, the temperature sometimes
changed abruptly.
--
Chris Lewis,
Age and Treachery will Triumph over Youth and Skill
It's not just anyone who gets a Starship Cruiser class named after them.
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Posted by jim on November 4, 2007, 3:48 pm
On Nov 3, 9:32 pm, cle...@nortelnetworks.com (Chris Lewis) wrote:
show/hide quoted text
> > Thanks for responding. It's the original faucet installed by the
> > builder, I don't think it is a pressure balance faucet.
> PB faucets attempt to keep the water temperature constant when
> hot or cold are drawn somewhere else in the house. I suspect
> virtually all show faucets installed in the last 10 years or so
> are PB in order to ensure that the water temperature never exceeds
> a given value. You can often tell by seeing if there's any sort of
> limit stop under the knob with an adjustment screw.
> I believe PB devices sometimes get crudded up (with very hard
> water or grit) and "stick".
> > It hasn't
> > given us any problems for 7 years. We have the typical tank type water
> > heater. Could it be cross-connected and not detected for 7 years (I
> > use the shower every day)? We are not getting the "(hot wasn't very
> > hot, and didn't last long).
> The other symptom was that the water temperature was erratic. Without
> _any_ other water being drawn in the house, the temperature sometimes
> changed abruptly.
> --
> Chris Lewis,
> Age and Treachery will Triumph over Youth and Skill
> It's not just anyone who gets a Starship Cruiser class named after them.
Check the cold water dip tube on your water heater as it sounds like
it may be rotted off replace it and you will get hot again the pb in
the shower tap is not adjustable and will not affect the lav tap.
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> type. When I turn it to the cold water setting I get hot water for the
> first few minutes. It then goes cold but it is very hard to regulate
> warm water, I either get hot or cold. I was assuming it is a valve
> within the cartridge that separates the hot and cold. I am also
> getting hot water coming out of the sink tap for about 30 seconds now
> as well. Will replacing the cartridge in the shower faucet solve both
> problems or is something else going on with the plumbing?