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In line electric water heater

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Posted by Jefff on June 13, 2006, 5:07 pm

Hi all,

I am seeking input on the use of efficent electric inline water heater
to boost the temp from the dual Gobi 408 water heater panels I use.

My inquiry is to remove the water heater that sits heating water when
there is anywhere between 70 degree to 150 degree water in the pre-heat
solar tank.

Currently my wiring to the existing whater heater is 240v/30a.  I don't
really want to have to change the electricity, rather just do a swap

Anyone have any expierence with such as scenario.


Posted by Harry Chickpea on June 13, 2006, 6:53 pm

Why not just turn the thermostat on the tank down as far as it can go
or to 130 degrees?  I doubt you want to store "hot" water at only 70
degrees.  That isn't warm enough to have a warm shower.  Remember that
if the preheated water is the only water entering the electric hot
water tank, all you are saving by turning it off is the heat loss
during storage in the tank, which is minimal.

Posted by Jefff on June 13, 2006, 9:39 pm

Thanks, Harry for the input.  You are correct, 70 degree water is not
gong to work well.  Sometimes the water in the electric water heater
does not get used for days and my question is along the lines of not
having to maintain the heat when typically there is 100 degree water in
the solar tank.  Therefore, the inline heater seems like a good option.

Currently, the electric water heater is at 120.  I need to purchase
another water heater to attach to the wood furnace, so I figure I can
use the current one and purchase an inline heater instead.

Do you have an inline heater?

Harry Chickpea wrote:

Posted by JoeSP on June 14, 2006, 12:51 am

I don't know if these are any good, but they claim to heat the water in the
shower head:

Posted by gl4316@yahoo.com on June 14, 2006, 8:06 am

Those are fairly common in many parts of the world.  I hadn't realized
they had finally started selling those in North America.  How well it
works depends a lot on how much water you use when you shower.  The faster
the water flows through the shower head, the less temperature gain.  Most
Americans are used to a whole lot more water flow than those work well
with, and also their instantaneous power draw is pretty high.

The despammed service works OK, but unfortunately
now the spammers grab addresses for use as "from" address too!
e-mail hint: add 1 to quantity after gl to get 4317.

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