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Old 01-02-2008, 08:50 AM   #1
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Geothermal pump size

Hi guys iam getting ready to install the heat pump at my cabin in Canada ,i had a contractor do my lake loop for me it is apx 3000ft in total ,4 x500ft loops of 1in with about 500ft of 1 1/4 for the manifold and supply and return length,the rise up to cabin is apx 40ft to heat pump,geo heat pump size is 4 ton ,looking for size of the recirc pump or pumps required thanks need this asap .i was not using a mass tank also do i need a bronze bodied pump or is a standard cast body recirc pump fine should pump be close to heat pump or at lake level,this cabin is remote thanks for the info

Last edited by cbprov; 01-02-2008 at 08:55 AM.
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Old 01-02-2008, 11:11 PM   #2
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Geothermal pump size

Call your pump supplier and have them match up a pump to your specs.

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Old 01-03-2008, 05:42 AM   #3
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Geothermal pump size

do i need a bronze bodied pump or is a standard cast body recirc pump fine should pump be close to heat pump or at lake level,
You are using an Antifreeze solution,+ Not pure water, Correct,..??
If So,.....
An Iron pump should be fine....

I don't know how the Sizing is figured, as Heat Pumps are rarely used up here where it gets Really Cold......
Although I am very curious about your system, as I own a couple of houses on a river,+ am considering a Geothermal system for them in the future......
Finding Info about Heatpumps up in this country is Tough, 'cause there just Aren't any of them around.......
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