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Old 01-31-2011, 10:20 PM   #1
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Blind man seeks help


Hello Everyone.

I'll get all my new guy seeks first post crap out of the way first and foremost. Hi, my name is Mark and I'm and alcho.... oops, wrong place, I am new to the forums! Yeah, that's it, new!

I just purchased a house that sucks! I basically had to gut the entire thing and did 100% of the work myself with the help of my wife and best friend. I just finished off the electric and moved my way to the heating. I have to hand it to you guys, it's a lot more technical than I thought it was and thus why I am here.

I purchased a Weil-Mclain Ultra 155 boiler to act as the heart of the system. As I was cataloging all the parts I needed to buy to finish off the job, I ran into some technical difficulties with calculating pump size, gpm, btuh of the existing radiators and all that other jazz.

So my question is this, after studying the gpm chart for the circulator pumps, wouldn't it make sense to always use 1" pex instead of 3/4" pex to almost double my GPM capabilities?

I have a 1700 sq ft home with the old cast iron radiators in it along with some new #9 Weil-Mclain baseboards. What size circulator pumps would I need?

Thanks in advance and yeah, I am legally blind but that isn't stopping me from shhhhh.....

Mark
New York City

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Old 01-31-2011, 10:35 PM   #2
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Blind man seeks help


Welcome Stomp to the best DIY'r site on the web,

Hope all the projects you attempt go with as much success as the enthusiam driving you.

Mark

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Old 02-01-2011, 09:41 AM   #3
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Blind man seeks help


Quote:
So my question is this, after studying the gpm chart for the circulator pumps, wouldn't it make sense to always use 1" pex instead of 3/4" pex to almost double my GPM capabilities?

I have a 1700 sq ft home with the old cast iron radiators in it along with some new #9 Weil-Mclain baseboards. What size circulator pumps would I need?

Ayuh,... I'd use the 1" tubing, 'n Grundfos 3-speed pumps...

Those pumps give ya Adjustability in the system...
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Old 02-01-2011, 09:08 PM   #4
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Blind man seeks help


Thanks for the responses and welcome.
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