Comparison With Multiple Circulator Pumps
Multiple zones can be implemented using either multiple, individually controlled circulator pumps or a single pump and multiple zone valves. Each approach has advantages and disadvantages.
Read more about this topic: Zone Valve
Famous quotes containing the words comparison with, comparison, multiple and/or pumps:
“Certainly there is not the fight recorded in Concord history, at least, if in the history of America, that will bear a moments comparison with this, whether for the numbers engaged in it, or for the patriotism and heroism displayed.”
—Henry David Thoreau (18171862)
“We teach boys to be such men as we are. We do not teach them to aspire to be all they can. We do not give them a training as if we believed in their noble nature. We scarce educate their bodies. We do not train the eye and the hand. We exercise their understandings to the apprehension and comparison of some facts, to a skill in numbers, in words; we aim to make accountants, attorneys, engineers; but not to make able, earnest, great- hearted men.”
—Ralph Waldo Emerson (18031882)
“Creativity seems to emerge from multiple experiences, coupled with a well-supported development of personal resources, including a sense of freedom to venture beyond the known.”
—Loris Malaguzzi (20th century)
“the rusty
Pump pumps over your sweating face the clear
Water, cold, so cold! you cup your hands
And gulp from them the dailiness of life.”
—Randall Jarrell (19141965)