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Passive heat exchanger for furnace and water heater vent pipes

Posted by larry_c (My Page) on
Sat, Feb 4, 12 at 10:16

Has anyone seen a fin type of arrangement for passive heat exchange on heating exhaust pipes? Both of my heaters are in an unheated basement and any heat gained would be a big plus.


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RE: Passive heat exchanger for furnace and water heater vent pipe

They can work, but you need to make sure the flue gas remains hot enough to draw correctly.

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