pump size question

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wtrass

Member
Oct 30, 2011
26
southern tier NY
Installing a Vigas 40 with 1000 gallons storage. Using 1 1/4 copper lines and the boiler and tank are within 5 feet of each other. This is only to move water from boiler to tank- nothing else. How do I figure the pump size? thanks
 
Did you buy from AHONA? He gave me all the schematics, pump selection, and plumbing diagrams.

I have a 60, with a 0011 Taco. You're not moving as many BTUs.. but I have 1.5inch copper to and from my tanks.

JP
 
I have a 40 kW boiler. My loading unit uses a Grundfos 15-58 3 speed. Also have 1-1/4 pipe, and tanks close to boiler. I use it on low speed with no issues.
 
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