The sort of pumps used in the filtration systems of fountains and swimming pools don’t take kindly to running dry. So putting such a pump on a simple timer to run while you’re away comes with a ...
TORONTO — Armstrong Fluid Technology introduced a new version of its Design Envelope pump to serve light duty installations where the available power is single phase. “Many light-commercial and ...
A research group at Technion – Israel Institute of Technology has developed a novel phase-change thermoacoustic heat pump (PTHP) concept for residential and industrial heat pumping. “Phase-change ...
The new Design Envelope pumps are now available for use with single phase power (200-230V) from 1/3 to 2hp and are built to a design standard carried over from commercial pumps. TORONTO — Armstrong ...
The new HS3.75SL (manual) and HSZ3.75SL (automatic) submersible, trash pump models can pump roughly twice as much water as the high head version. Tsurumi has unveiled the highest-flow versions of its ...
WASHINGTON — Prototype heat pumps from four manufacturers have passed laboratory testing as part of the Residential Cold Climate Heat Pump Technology Challenge and are ready to join four other ...
In a previous article A New Age In North American Hydronics I promised that we would venture into the word of light commercial pump sizing using variable speed pumps. How many times have we been ...
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