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| Preliminary tank?? | Rate Topic |
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| Posted: Tue Mar 2nd, 2010 03:09 am |
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1st Post |
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Phillcanfix Member
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First question: I'm wondering if adding a preliminary tank for water to run into before it runs into the regular hot water tank is worth the trouble? I've heard that having water run into a tank and feed from that tank into the regular hot water tank will save you money. The reason stated was that the first tank being unheated will keep room temperature water instead of the much colder water that comes out of the ground. The room temperature water that then goes into the regular water heater will heat up quicker so cost less money, and make your "hot" water last much longer. Is this true? Second question: If I did use a preliminary tank, since it will have no electric to it, will it still need the anode rod, and would the anode rod still work the way it is supposed to?
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| Posted: Tue Mar 2nd, 2010 02:27 pm |
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2nd Post |
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eleent Member
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Hello: What you describe is called a "tempering tank" and it can work well if you have cold ground water and a warm place for the tank to live. Also, the tank needs to be uninsulated so room heat can find its way to the water. This approach was suggested long ago to preheat electric heaters which used to have smaller heating elements. Yes, it still needs an anode Yours, Larry
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| Posted: Wed Mar 3rd, 2010 03:49 pm |
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3rd Post |
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Phillcanfix Member
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Larry, thanks for the info. Just one more question. If the tank came with an aluminum anode rod, would it be ok to put in a magnesium anode rod? In reading, it is suggested that they are better than the aluminum rods. Thanks again, Phill
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| Posted: Wed Mar 3rd, 2010 04:11 pm |
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4th Post |
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elenano GCF-GL
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Certainly. There is never any harm in changing from one metal to another. Just in having different metals together in the same tank. Randy Schuyler
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