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Author Topic: Hot Water Circulator Max Temp Rating.  (Read 302 times)

Listerational

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Hot Water Circulator Max Temp Rating.
« on: October 20, 2023, 10:20:04 PM »
Hello,

I am looking at some Grundfos hot water circulator pumps for the radiator on my Listeroid 10/1. The one that I am looking at is rated max temp of 150-degrees farenheit. Is that high enough to handle the ranges on my generator?

Thanks,

Jim
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veggie

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Re: Hot Water Circulator Max Temp Rating.
« Reply #1 on: October 21, 2023, 03:49:17 PM »

You can place the pump on the return side of the system after the water has been cooled by the radiator.
The cooled water coming back to the engine usually does not exceed your max rating limit.
I use a standard Bell & Gosset water circulator on my Listeroid with no issues.

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dkmc

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Re: Hot Water Circulator Max Temp Rating.
« Reply #2 on: October 21, 2023, 04:48:34 PM »

Seems odd as temps in hydronic heating systems can get up to 180-190F in normal operation.
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cujet

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Re: Hot Water Circulator Max Temp Rating.
« Reply #3 on: October 23, 2023, 07:46:08 PM »
I've been using Grundfos pumps with great results for decades now.
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