Hi,
Beginning two days ago, my shower hot water supply does not get nearly
as hot as it used to. The sinks around the house seem be the same as
they always have (nice and hot), it's jsut the bathroom shower that
seems to have cooled down.

The shower in question happens to be at the opposite end of the house
from the water heater, and I keep the water tank temperature pretty
high. Any idea what may have caused the sudden reduction in hot water
temperature?

Thanks in advance.


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On May 20, 10:52 pm, wrote:
Hi,
Beginning two days ago, my shower hot water supply does not get nearly
as hot as it used to. The sinks around the house seem be the same as
they always have (nice and hot), it's jsut the bathroom shower that
seems to have cooled down.
....

If it's a new development (as you say) and the other hot taps in the
same bath are still hot, it's not the supply to the branch point but
after -- therefore, it's almost certainly a failure in the metering
valve or, if it's a fairly new control, the automagic temperature/anti-
scald mechanism.

Alternatively, I guess there's a possibility of a flow restriction in
the last section of piping that supplies that particular shower, but
it would be way down on my lest of likely causes...

On May 21, 10:46 am, dpb wrote:
On May 20, 10:52 pm, wrote: Hi,
Beginning two days ago, my shower hot water supply does not get nearly
as hot as it used to. The sinks around the house seem be the same as
they always have (nice and hot), it's jsut the bathroom shower that
seems to have cooled down.

...

If it's a new development (as you say) and the other hot taps in the
same bath are still hot, it's not the supply to the branch point but
after -- therefore, it's almost certainly a failure in the metering
valve or, if it's a fairly new control, the automagic temperature/anti-
scald mechanism.

Actually, it could be a simple as a loose handle not turning the
control valve the full distance...