If D from BC were a plumber:
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From: mpm on 18 Apr 2010 10:53 On Apr 18, 8:51 am, Baron <baron.nos...(a)linuxmaniac.nospam.net> wrote: > mpm Inscribed thus: > > > I don't know if this will help or not -- but honestly, when water IS > > being used elsewhere in the house, it really doesn't seem to make any > > difference. > > In other words, this problem can manifest (or not manifest) even if > > someone else is using water in the house. > > > It doesn't seem related, and regardless, it does indeed occur if I'm > > the only one home. > > Can you confirm that the water pressure for both hot and cold feeds to > the shower/mixer tap are the same. > > -- > Best Regards: > Baron. Not without tearing the wall apart. With the showerhead attached, I can confirm that I get about the same flow out of each (hot or cold), but beyond a certain valve opening, the water flow out of the showerhead appears constant. In other words, it doesn't get a stronger stream if you open the hot and cold valves all the way, vs. say maybe 1/4 of the way or 1/2 way. So, either the showerhead has a flow restrictor built in (likely?), or the showerhead itself behaves as a flow restrictor. It is a two-valve systems, by the way. Someone above is under the impression it's a single-valve. It's not. Hot on left, cold on right. etc..., etc...
From: mpm on 18 Apr 2010 10:56 On Apr 18, 9:01 pm, Jamie <jamie_ka1lpa_not_valid_after_ka1l...(a)charter.net> wrote: > Baron wrote: > > mpm Inscribed thus: > > >>I don't know if this will help or not -- but honestly, when water IS > >>being used elsewhere in the house, it really doesn't seem to make any > >>difference. > >>In other words, this problem can manifest (or not manifest) even if > >>someone else is using water in the house. > > >>It doesn't seem related, and regardless, it does indeed occur if I'm > >>the only one home. > > > Can you confirm that the water pressure for both hot and cold feeds to > > the shower/mixer tap are the same. > > My hot water system has an intelligent controller in it. If demand for > water exceeds a level in a period of time. It'll increase the > temperature level and maintain it for ~ 2 hours after non use. > > From there on, it keeps it at a lower level to save energy. > > So, if I want real hot water when showing, I first need to run the > shower for a bit to force the burner to come on. And then, every one > in the house can take their shower with plenty of real hot water as long > as they do it with in 2 hours each. After that, the system then simply > measures the time of refills and if there is a large gap, it just simply > keeps the water warm.. > > It does save nicely on fuel oil.- Hide quoted text - > > - Show quoted text - That's a pretty cool idea. It's like the best of both worlds. Energy savings, but not at the expense of possibly having no hot water (i.e., forgetting to turn it on, or a timer setting that's occasionally inappropriate for actual demand use). The only way I see to make it better, is to have it heat up for morning showers (or whenever) without having to run it first. Sort of like an artificial intelligence hot water heater. It could "learn" from prior use.
From: Baron on 18 Apr 2010 12:59 mpm Inscribed thus: > On Apr 18, 8:51 am, Baron <baron.nos...(a)linuxmaniac.nospam.net> wrote: >> mpm Inscribed thus: >> >> > I don't know if this will help or not -- but honestly, when water >> > IS being used elsewhere in the house, it really doesn't seem to >> > make any difference. >> > In other words, this problem can manifest (or not manifest) even if >> > someone else is using water in the house. >> >> > It doesn't seem related, and regardless, it does indeed occur if >> > I'm the only one home. >> >> Can you confirm that the water pressure for both hot and cold feeds >> to the shower/mixer tap are the same. >> >> -- >> Best Regards: >> Baron. > > Not without tearing the wall apart. No you don't want to do that. ;-) > With the showerhead attached, I can confirm that I get about the same > flow out of each (hot or cold), but beyond a certain valve opening, > the water flow out of the showerhead appears constant. > In other words, it doesn't get a stronger stream if you open the hot > and cold valves all the way, vs. say maybe 1/4 of the way or 1/2 way. Mmm. If the water pressure is the same in both hot & cold pipes to the valve that only leaves partial blockages or that the temperature is changing the behavior of the mixer valve. > So, either the showerhead has a flow restrictor built in (likely?), or > the showerhead itself behaves as a flow restrictor. Yes I agree. That would be consistent with the flow limiting even though the valve is fully open. Mine behaves in exactly the same way. > It is a two-valve systems, by the way. > Someone above is under the impression it's a single-valve. It's not. > Hot on left, cold on right. etc..., etc... -- Best Regards: Baron.
From: Archimedes' Lever on 18 Apr 2010 15:17 On Sun, 18 Apr 2010 02:58:39 -0400, "Paul E. Schoen" <paul(a)pstech-inc.com> wrote: > >"Archimedes' Lever" <OneBigLever(a)InfiniteSeries.Org> wrote in message >news:0c6ks55b4nk1bookqfepf46v6kf0gdokq9(a)4ax.com... >> On Sat, 17 Apr 2010 16:15:30 -0400, "Paul E. Schoen" >> <paul(a)pstech-inc.com> wrote: >> >>> >>><krw(a)att.bizzzzzzzzzzzz> wrote in message >>>news:ndmjs51archlmttsoagticndmi645jibjg(a)4ax.com... >>>> On Sat, 17 Apr 2010 07:20:02 -0700 (PDT), mpm <mpmillard(a)aol.com> wrote: >>>> >>>>>Another options is to just stop taking baths altogether. >>>>>...though I'm not sure my clients, friends and family would appreciate >>>>>that! >>>> >>>> No need to go that far. Don't turn on the hot water and your hysteresis >>>> is >>>> fixed. Simple. >>> >>>Also a cheap male contraceptive :) >>> >>>Paul >> >> How so, idiot? >> >> The cold is good for yer nuts. The hot is bad. That is why we grow >> them on the outside. >> >> So, if he is NOT turning on the hot side, how is there any >> contraception? > >Not the health of the sperm, but the reduction of the functionality of the >delivery mechanism. Shrinkage! > >Paul Ahh.. better even than a headache. Just smoke weed... they'll shrink. (silly myth)
From: Archimedes' Lever on 19 Apr 2010 07:39
On Sat, 17 Apr 2010 17:41:26 +0100, Baron <baron.nospam(a)linuxmaniac.nospam.net> wrote: >Archimedes' Lever Inscribed thus: > >> On Sat, 17 Apr 2010 16:32:34 +0100, Baron >> <baron.nospam(a)linuxmaniac.nospam.net> wrote: >> >>>Its not unknown for debris to build up in the pipe and lodge in a bend >>>to cause varying water pressure and flow. >> >> >> Nope. Such a blockage as you describe is rare, but any such >> blockage will only affect flow rate maximum, and NEVER pressure. >> >> The pressure will always rise to the same pressure on the feed side >> of the blockage. > >Agreed ! Bad choice of words. OK, it is but in fairness, the pressure does exhibit small fluctuations in such circumstances. It could act as a surge accumulator in rare cases. > >> Figure out how water pressure regulators and gas pressure regulators >> work. It is not by mere blockage. |