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Author Topic: Taco 009 replacement  (Read 2928 times)

jrhirschey

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Taco 009 replacement
« on: January 14, 2015, 11:32:58 AM »
I have an e 1450 running thru 140' of thermopex one way to an oil fired boiler core and back. There are 2 1" copper 90s and 2 3/4 blackiron 90s also 4 ball valves 2 1" and 2 3/4" full port. Also have the CB thermostatic valve piped in. My taco 009 is on the WB and I wood like to get a better pump with more flow.
Does any one have some suggestions or would another circ in series work also. I have a spare up 15 42

Thanks
Jon
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juddspaintballs

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Re: Taco 009 replacement
« Reply #1 on: January 14, 2015, 11:50:25 AM »
It looks like the 0011 would be more in line with your target flow rate and head loss. 
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RSI

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Re: Taco 009 replacement
« Reply #2 on: January 14, 2015, 05:15:00 PM »
I would go with a Grundfos UPS26-99
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jrhirschey

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Re: Taco 009 replacement
« Reply #3 on: January 14, 2015, 05:23:26 PM »
Is the grundfos a variable speed? It would be nice to dial the flow to weather requirements. Also where would you mount indoors in basement or on the stove where it is now.
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RSI

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Re: Taco 009 replacement
« Reply #4 on: January 14, 2015, 05:53:51 PM »
It is 3 speed. At the stove is better.
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Big Wood

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Re: Taco 009 replacement
« Reply #5 on: January 14, 2015, 06:28:29 PM »
Take a look at taco 2400 - 20 wb made for outside wood boilers look it up on line
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tawilson1152

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Re: Taco 009 replacement
« Reply #6 on: January 16, 2015, 04:10:52 PM »
This thread got me thinking and gave me the kick in the butt I needed to do something I've been  thinking about for a while.  I've got about 100' of 1" pex between my owb and my hx with an Alpha 15-55 showing 6 gpm in high. I wanted to bump it up a bit so yesterday ordered another 15-55 and just installed it in series with the existing, one on either side of the hx. The  first pump is showing 11 gpm now and new one is at 8 gpm and both are at 43 watt. I don't know how these pumps calculate gpm, but they are both doing the same even though they read different.
Anyways, happy camper, I've got more flow and now have a backup already installed in case one fails. I will just run one on low speed during the summer to keep some circulation going. I'll also start playing with pump speeds to see what happens.
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tawilson1152

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Re: Taco 009 replacement
« Reply #7 on: January 16, 2015, 05:27:17 PM »
Update.  Now both pumps are reading  9 gpm. Perfect.
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Midnight Farms

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Re: Taco 009 replacement
« Reply #8 on: January 19, 2015, 06:18:39 PM »
Quote from: RSI on January 14, 2015, 05:53:51 PM
It is 3 speed. At the stove is better.

RSI, why does the fact that the pump is a 3 speed affect why it should be at the burner or not?
Thanks!
Nick
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RSI

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Re: Taco 009 replacement
« Reply #9 on: January 19, 2015, 06:20:34 PM »
Being 3 speed has nothing to do with being at the stove. I was answering 2 separate questions.
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mlappin

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Re: Taco 009 replacement
« Reply #10 on: January 19, 2015, 09:23:51 PM »
Generally a lot easier to get the air out of your system if the pump is at the boiler, less chances of it air locking.
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