Chad Fabry Posted February 4, 2011 Report Share Posted February 4, 2011 I'm in the process of installing a staple up radiant heat system in my house (The first floor is gutted) . So, I've been reading up on stuff and came across this explanation while I was comparing pump curves. It's really basic, and that's why it's good. Bell and Gosset's explanation of how a circulator pump works. Quote Link to comment Share on other sites More sharing options...
kurt Posted February 4, 2011 Report Share Posted February 4, 2011 Very nice. These things get overcomplicated. Are you using a Series 100? Quote Link to comment Share on other sites More sharing options...
Chad Fabry Posted February 4, 2011 Author Report Share Posted February 4, 2011 I'm using 6 of the Taco cartridge pumps for closed loop zone circulation. I already use a B & G LD3 to move water from the boiler to the house and I was refreshing my memory on its stats to ensure I'd have adequate volume for the open loop supply to the tube-in-shell heat exchanger. It turns out I have enough volume for about 8 of my houses. When the LD3 craps out in 20 or 30 years, I'll replace it with a 100. A good example of working head and static head- in my current open to atmosphere system, the water to air heat exchanger is higher than the boiler by about 12 feet- even the big LD3 wouldn't lift water to heat exchanger, but in a closed system it moves 100gpm +. I had to install an expansion tank in the attic of the barn. I felt compelled to share why I own an LD3. Quote Link to comment Share on other sites More sharing options...
Marc Posted February 4, 2011 Report Share Posted February 4, 2011 The boiler's in the barn or a basement? Marc Quote Link to comment Share on other sites More sharing options...
Chad Fabry Posted February 4, 2011 Author Report Share Posted February 4, 2011 The boiler's in the barn or a basement? Both Quote Link to comment Share on other sites More sharing options...
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