Tankless Water Heater Scaling etc. [RE-wrenches]

[Matt Tritt]

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  Dang it Pat,

  Thanks for this post! This is the best statement of the bunch 'cause there 
is actual like/like comparison involved. The ones that I've seen (that 
worked) are of the electro-magnet variety, one installation had no less than 
three of 'em in line!

  The boiler in the system was clean as new in an area of hard water.

  Matt T
  ----- Original Message ----- 
  From: "Pat Redgate" <solarpro at aol.com>
  To: <RE-wrenches at topica.com>
  Sent: Friday, October 29, 2004 5:04 PM
  Subject: Re: Tankless Water Heater Scaling etc. [RE-wrenches]




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  In a message dated 10/29/2004 9:14:40 AM Pacific Standard Time, 
deant at dcn.org
  writes:
  There appears to be substantial anecdotal support for the products, and
  significant use in the field.

  My first introduction to this "technology" was in 1981.  The claims being
  made by a rep at that time seemed fantastic and were unsupported by any 
American
  laboratory tests.  However, there was a great deal of literature available
  from Russian "scientists."

  I filed it in the "sucker-born-every-minute" drawer (since filled and 
emptied
  many times) and offered to provide the device if any prospect ever asked 
for
  one with a caveat on voodoo science (at that time voodoo math from the 
Reagan
  administration was in the same filing cabinet).

  In 1990 I serviced a residential sdhw -- two big Lordans, eighty gallon
  recirc, direct water based.  The panels had burst from a freeze because 
the recirc
  protection failed to protect the panels due to extensive liming in the
  waterways.  The valves didn't work, the pump volute and impeller were 
coated with
  calcium carbonates, and the tubing had a layer nearly as thick as the 
copper.
  After brazing the panels, the neighbor living right next door asked me to 
look
  over his system to give a bid for an R & R for reroof.  We later took 
apart
  this identical system which had been sold and installed by the same firm 
during
  the early 80's.

  But, the tubing was clean, no liming at all (bright copper), all of the
  valves worked, even the air vent was operational.  The only difference 
between
  these two systems was the presence of an inline magnetic water conditioner 
by
  Superior.

  In later years I have noticed that some manufacturers of commercial water
  heaters provide a magnet with their vessel.  Now, I have a few on my own 
home.
  Apparently you need a pretty strong magnet for the device to work on a 
single
  pass, and the magnetic field is weakened if the unit gets hot, as in a 
solar
  loop.

  A quick google provided the following "research..."

  http://www.aquadoc.com/research.htm

  Hey, has anybody ever heard of global warming?  Is this voodoo too?

  Patrick A. Redgate
  AMECO
  562.595.9570
  www.amecosolar.com

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