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Author Topic: Which pump?  (Read 6475 times)

Ridgekid

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Which pump?
« on: January 02, 2012, 10:36:40 AM »
Thought it was time to put a serious effort into spare parts. I figured since my son and I would use the same, having one spare set between us will be sufficient.

I just ordered a solenoid from Grainger. (Done)

My current circulating pump is a Taco 009-F5. $199 from Pex supply. But they also carry the Grundfos Alpha pumps for the same price.

Is this pump the correct one to replace the Taco?

http://www.pexsupply.com/Grundfos-59896877-ALPHA-15-55-F-Cast-Iron-Circulator-Pump-w-Terminal-Box

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MattyNH

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Re: Which pump?
« Reply #1 on: January 02, 2012, 04:19:56 PM »
Quote from: Ridgekid on January 02, 2012, 10:36:40 AM
Thought it was time to put a serious effort into spare parts. I figured since my son and I would use the same, having one spare set between us will be sufficient.

I just ordered a solenoid from Grainger. (Done)

My current circulating pump is a Taco 009-F5. $199 from Pex supply. But they also carry the Grundfos Alpha pumps for the same price.

Is this pump the correct one to replace the Taco?

http://www.pexsupply.com/Grundfos-59896877-ALPHA-15-55-F-Cast-Iron-Circulator-Pump-w-Terminal-Box
Go to www.altheatsupply.com ..Your pump  009 is $164.99..Its the absolute cheapest that I could find for taco pumps..(ordered a 011 pump for a friend not too long ago) Company is out of CT..Plus they have a catalog of  OWB parts and supplies
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Ridgekid

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Re: Which pump?
« Reply #2 on: January 02, 2012, 04:33:34 PM »
Thanks!  Great find!  I might forget about the Grundfos and just get that one! 
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MattyNH

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Re: Which pump?
« Reply #3 on: January 02, 2012, 04:57:23 PM »
Quote from: Ridgekid on January 02, 2012, 04:33:34 PM
Thanks!  Great find!  I might forget about the Grundfos and just get that one!
Glad I could help out!
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Crown Royal 7300E (2021)
Aqua-Therm S-275 (2006)
Jonsered 2188
Jonsered 2165
Jonsered 2050
Timberwolf- TWP1 5.5 Honda 25in wood splitter
American CLS- AM48HH 8 Honda 48in wood splitter
Kubota L3800DT
Lake Winnipesaukee New Hampshire

MTJAG

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Re: Which pump?
« Reply #4 on: January 02, 2012, 06:20:31 PM »
If you looking for a Grundfos Alpha, this is the best deal: https://www.pexuniverse.com/grundfos-alpha-15-55f-lc-circulator-pump-w-ifc-1-6hp-115v
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Ridgekid

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Re: Which pump?
« Reply #5 on: January 02, 2012, 06:29:49 PM »
Wow. Perfect timing. I almost bought the taco but wanted to try a Grundfos .  I'll buy the grundfos and save my taco as a backup.

Thanks for the link!! 
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MTJAG

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Re: Which pump?
« Reply #6 on: January 02, 2012, 07:28:50 PM »
You are welcome.  Hope you like it.  I love'em because being on solar it's really stingy on electricity.
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Ridgekid

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Re: Which pump?
« Reply #7 on: January 02, 2012, 07:32:43 PM »
Well you know me. Anything to save a kwh!! 

Since you already use these I may be asking questions!! 
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MTJAG

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Re: Which pump?
« Reply #8 on: January 02, 2012, 07:41:53 PM »
Sure, ask away.  It's pretty simple to understand with the instructions.  Basically, it allows you to choose economy, head pressure or flow rate....or it just adjusts to constraints including warm or cold water.
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Ridgekid

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Re: Which pump?
« Reply #9 on: January 02, 2012, 08:15:41 PM »
If I did my math right my taco uses 168 watts to operate . The Grundfos uses 5-45 watts once it's adaptive control "learns the system".  Sounds like a no brainier there! 

I just might Get our electric use down under 1000 kwh/month yet! 

Is wattage measured by the minute? 
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Ridgekid

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Re: Which pump?
« Reply #10 on: January 02, 2012, 09:37:52 PM »
Good info on watt usage on page 9

http://www.pexuniverse.com/docs/pdf/Grundfos-Alpha-Series-Instalation-Manual.pdf

I hope installing it behind my OWF door counts as indoors???
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RSI

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Re: Which pump?
« Reply #11 on: January 02, 2012, 09:50:19 PM »
Quote from: Ridgekid on January 02, 2012, 08:15:41 PM
If I did my math right my taco uses 168 watts to operate . The Grundfos uses 5-45 watts once it's adaptive control "learns the system".  Sounds like a no brainier there! 

I just might Get our electric use down under 1000 kwh/month yet! 

Is wattage measured by the minute?
A KWH is 1000 watt hours. If you run a 100 watt bulb for 10 hours you burn one KWH.

I haven't looked up the rating of a Taco 009 so I don't know if you did the math right but if you were converting from amps it probably isn't. Just get a Kill A Watt and plug it in to see what it is really using.
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Ridgekid

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Re: Which pump?
« Reply #12 on: January 02, 2012, 10:34:58 PM »
 I run the TACO 24 hours I'm using approximately 4 KwH/Day. (Depending on if I'm actually drawing 168 Watts) That comes to 120 KwH/Month.

If the Grundfos operates at full load of 45 watts that would be a little over 1 KwH/Day or 32.4 KwH/month.

That's another $7.19 that stays in my pocket.... lol

I'll get one of those Kill a watt meters so I can test other items in the house.
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RSI

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Re: Which pump?
« Reply #13 on: January 02, 2012, 11:13:12 PM »
I just looked up a 009 and it is rated at 1.4 amps. I am assuming that it how you came up with 168 watts. You can't calculate it that way because it is an inductive load. I would guess it is using closer to 140 watts if it is drawing the rated amps. The watt meter is the only watt to get an accurate wattage.
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Ridgekid

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Re: Which pump?
« Reply #14 on: January 03, 2012, 06:45:24 AM »
Thanks for the clarification.  I'll let you know for sure when I get the meter to check it.
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