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Nick_11
Member Posts: 25
I'm hoping that a variable speed pump(s) would be an easier answer to widely varying baseboard lengths (10',22',30',45',53')in an apartment where I am replacing boiler and re-routing pipes.
I've heard that there these variable speed circulators automatically adjust to varying system pressure and flow changes without use of bypass valves, etc.
(The only one I can find is a Grundfos alpha+ which is only sold in Europe as far as I can tell.)
Are there similar variable speed pumps avail here in US?
As far as I can tell, the Grundfos UPS series (ie 15-58) is a 3 speed pump, but it has to be pre-set manually and doesn't adjust on the fly to pressure /flow changes like the alpha+.
Can anybody shed some light on this
I've heard that there these variable speed circulators automatically adjust to varying system pressure and flow changes without use of bypass valves, etc.
(The only one I can find is a Grundfos alpha+ which is only sold in Europe as far as I can tell.)
Are there similar variable speed pumps avail here in US?
As far as I can tell, the Grundfos UPS series (ie 15-58) is a 3 speed pump, but it has to be pre-set manually and doesn't adjust on the fly to pressure /flow changes like the alpha+.
Can anybody shed some light on this
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