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Author Topic: grundfos 26-99F vs. 26-99FC  (Read 7676 times)

MD20/20

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grundfos 26-99F vs. 26-99FC
« on: September 05, 2021, 12:52:34 PM »
whats the difference between the Grundfos 26-99 F and 26-99 FC?
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Central MD

mlappin

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Re: grundfos 26-99F vs. 26-99FC
« Reply #1 on: September 06, 2021, 05:20:56 PM »
An F is a single speed while an FC is a three speed
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Stihl 023
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RSI

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Re: grundfos 26-99F vs. 26-99FC
« Reply #2 on: September 06, 2021, 10:12:48 PM »
The FC has a check valve in it and just the F does not. I think the F means it is a flanged model.
The single speed pumps have UP before the number and 3 speed pumps have UPS.
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mlappin

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Re: grundfos 26-99F vs. 26-99FC
« Reply #3 on: September 07, 2021, 08:50:50 AM »
Quote from: RSI on September 06, 2021, 10:12:48 PM
The FC has a check valve in it and just the F does not. I think the F means it is a flanged model.
The single speed pumps have UP before the number and 3 speed pumps have UPS.

Is that it? They could leave that check valve out but include it in the box. Ive literally removed the check valve in 99.9% of my installs.
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Stihl 023
Stihl 362
Stihl 460
Sachs Dolmar 112 and 120
Homemade skid steer mounted splitter, 30" throat, 5" cylinder
Wood-Eze model 8100 firewood processor

HeatmasterSS dealer for Northern Indiana

MD20/20

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Re: grundfos 26-99F vs. 26-99FC
« Reply #4 on: September 07, 2021, 09:12:46 AM »
I thought the FC is for open systems and F for closed. I guess that's not the case and its fine to use on my OWB.
Thanks guys.
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Central MD

MD20/20

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Re: grundfos 26-99F vs. 26-99FC
« Reply #5 on: September 07, 2021, 09:18:10 AM »
also, the one i got is black...seller said it was ''commercial'' version.
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Central MD

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Re: grundfos 26-99F vs. 26-99FC
« Reply #6 on: September 09, 2021, 07:36:40 AM »
I checked with Grundfos and was told it is an OEM pump, so that's why its black. Thanks for your help.
I have to put the pump on and then start cutting...not one peice of wood ready for the winter!
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Central MD

hoardac

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Re: grundfos 26-99F vs. 26-99FC
« Reply #7 on: September 09, 2021, 07:35:42 PM »
You need to get started cutting 20/20
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