Re: Hot Water flow mystery.

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#1110

From: Daniel Burstein
Date: Sat, 26 Dec 1992 06:33

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regarding the questions about why the hot water from the tap would at firs
flow quite rapidly, then reduce in intensity, while the cold water didn't...
  
There are a number of things going on.

1) There may be different piping systems, particularly if the building has
undergone renovation.  While steel pipes have very little pressure related
expansion (at least with thepressures normally encountered), plastic
piping will have somewhat more.

2) There may be air in the system.  This will deifinitely compress under
pressure, thus giving extra push when a valve is first opened.

3) The water heater tank may have a bladder or similar expandable
container in it.

4) there may be an extra "booster" pump on the heated water line which
added a bit of pressure which gave an extra push when the water is first
turned on.

dannyb@panix.com

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Message-ID: <1992Dec26.063359.13443@panix.com>

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<1992Dec14.214841.4240@dbsun.uucp>   <BzFnIL.Muz@ccu.umanitoba.ca>    <bcadamso.724920659@nella9.cc.monash.edu.au> <1992Dec22.123108.970@dartvax.dartmouth.edu> <mcampbel.725043631@eola.cs.ucf.edu>

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Newsgroups: alt.folklore.science
Path: arc1-ca.pugleaf.net!sparky!uunet!psinntp!panix!dannyb
From: dannyb@panix.com (Daniel Burstein)
Subject: Re: Hot Water flow mystery.
Message-ID: <1992Dec26.063359.13443@panix.com>
Date: Sat, 26 Dec 1992 06:33:59 GMT
References: <1992Dec14.214841.4240@dbsun.uucp>   <BzFnIL.Muz@ccu.umanitoba.ca>    <bcadamso.724920659@nella9.cc.monash.edu.au> <1992Dec22.123108.970@dartvax.dartmouth.edu> <mcampbel.725043631@eola.cs.ucf.edu>
Organization: Panix, NYC
Lines: 22

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