Need expert help!!

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BrotherRon
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Need expert help!!

Post by BrotherRon » Sat Mar 09, 2019 9:17 am

I need to replace the circulator pump/motor on my wood boiler that I heat my house with.
There are two different ones available... one made from cast iron and the other one from bronze.
The cast iron one is 317.00 and the bronze one is 599.00
What makes the bronze one better than the cast?
What are the pros and cons between the two different ones??

Thanks
Ron.
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janesy
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Re: Need expert help!!

Post by janesy » Sat Mar 09, 2019 9:52 am

BrotherRon wrote:
Sat Mar 09, 2019 9:17 am
I need to replace the circulator pump/motor on my wood boiler that I heat my house with.
There are two different ones available... one made from cast iron and the other one from bronze.
The cast iron one is 317.00 and the bronze one is 599.00
What makes the bronze one better than the cast?
What are the pros and cons between the two different ones??

Thanks
Ron.
I cannot comment on a pump specifically, but we sell cast vs bronze vs stainless fittings/units/valves here all the time.
The main difference between cast and bronze is that bronze doesn't corrode. Cast does and eventually disintegrates entirely. Bronze on the other have oxidizes and the oxidized layed stops any further damage to material below it. It turns ugly and green, but that is the protective layer that has formed .

The water or glycol you are circulating would probably be the best indicator of what material pump you should be using.
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BrotherRon
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Joined: Thu Aug 28, 2014 2:47 am
Location: North Central Wisconsin
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Re: Need expert help!!

Post by BrotherRon » Sat Mar 09, 2019 10:21 am

Thanks for the info :)
Water.. I have old fashioned wall mounted registers in each room of my house.
Father in-law passed away 15 years ago and the last one he installed was the bronze one and it is due for replacement.

I kinda wondered if it was a corrosion related difference between the two...
Also wondering about durability. - Is cast more brittle and subject to damage than bronze?
With the cold spell we just went through my pump never shut of the past 2 - 3 weeks.
The bronze one is 300.00 more than the cast iron one, but looking like the investment might be worth the difference in price??

Thanks.
Ron.
Matrix 310 ~ Hawke XB30 Pro SR ~TT~Tombstone Case.
36" All Weather Tactical Case. Danny Miller Top Mount Quiver
Strings by Boo ~ nchunterkw ~ 8ptbuk
Jeremiah 29:13 :thumbup:

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