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Posted by David Saff on February 1, 2008, 11:25 am
All,
I currently have problems giving the kids a warm bath, because our
bathtub draws more water than our tankless indirect water heater can
produce. If I could just ask the tub to draw less water, that would
fix the problem. Are there tub/shower valves that will restrict the
water flow when the water is hot, adjustable between 0% and 100% of
the available water? Thanks,
David Saff
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Posted by ransley on February 1, 2008, 11:37 am
show/hide quoted text
> All,
> I currently have problems giving the kids a warm bath, because our
> bathtub draws more water than our tankless indirect water heater can
> produce. =A0If I could just ask the tub to draw less water, that would
> fix the problem. =A0Are there tub/shower valves that will restrict the
> water flow when the water is hot, adjustable between 0% and 100% of
> the available water? =A0Thanks,
> =A0 =A0David Saff
I thought all valves vary water output. If its NG your tankless gas
supply is probably to low due to to small a supply pipe, have it
tested, its a common installer error.
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Posted by David Saff on February 1, 2008, 2:13 pm
Mark,
show/hide quoted text
> I thought all valves vary water output.
As Smarty says, my valve only adjusts temperature, and keeps the
pressure constant.
show/hide quoted text
> If its NG your tankless gas
> supply is probably to low due to to small a supply pipe, have it
> tested, its a common installer error.
It's an indirect coil in a oil-fired boiler.
Thanks for your suggestions,
David
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Posted by Smarty on February 1, 2008, 11:43 am
David,
My valves which are modern, Kohler, temperature balancing valves for tubs,
do not allow the volume of water to be restricted, They only allow the
temperature to be adjusted. I can therefore see how you could have a flow
which exceeds your tankless heater's capacity to maintain hot water.
Can you restrict the flow in a simper manner, such as installing a
threaded-in piece at the discharge of the filling spout? Some spouts have a
threaded discharge opening where an optional spray or other piece can be
installed. A restricted flow orifice would slow down the demand on your
water heater. Alternately, can you increase the water heater discharge
temperature so that you will need less hot water to mix to the blended
bathing temperature?
Smarty
Smarty
show/hide quoted text
> All,
> I currently have problems giving the kids a warm bath, because our
> bathtub draws more water than our tankless indirect water heater can
> produce. If I could just ask the tub to draw less water, that would
> fix the problem. Are there tub/shower valves that will restrict the
> water flow when the water is hot, adjustable between 0% and 100% of
> the available water? Thanks,
> David Saff
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Posted by hallerb@aol.com on February 1, 2008, 12:36 pm
> David,
> My valves which are modern, Kohler, temperature balancing valves for tubs,=
> do not allow the volume of water to be restricted, They only allow the
> temperature to be adjusted. I can therefore see how you could have a flow
> which exceeds your tankless heater's capacity to maintain hot water.
> Can you restrict the flow in a simper manner, such as installing a
> threaded-in piece at the discharge of the filling spout? Some spouts have =
> threaded discharge opening where an optional spray or other piece can be
> installed. A restricted flow orifice would slow down the demand on your
> water heater. Alternately, can you increase the water heater discharge
> temperature so that you will need less hot water to mix to the blended
> bathing temperature?
> Smarty
> > All,
> > I currently have problems giving the kids a warm bath, because our
> > bathtub draws more water than our tankless indirect water heater can
> > produce. =EF=BF=BDIf I could just ask the tub to draw less water, that w=
ould
show/hide quoted text
> > fix the problem. =EF=BF=BDAre there tub/shower valves that will restrict=
the
show/hide quoted text
> > water flow when the water is hot, adjustable between 0% and 100% of
> > the available water? =EF=BF=BDThanks,
> > =EF=BF=BD David Saff- Hide quoted text -
> - Show quoted text -
install ball valves, or regular shut off valves, they may already
exist, just turn partially off........ throttle as needed.
do tell do you like your tankless?
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> I currently have problems giving the kids a warm bath, because our
> bathtub draws more water than our tankless indirect water heater can
> produce. =A0If I could just ask the tub to draw less water, that would
> fix the problem. =A0Are there tub/shower valves that will restrict the
> water flow when the water is hot, adjustable between 0% and 100% of
> the available water? =A0Thanks,
> =A0 =A0David Saff