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Cost-savings and operational reliability are a top priority. Green Plumbing is knowledgeable about the wide range of products that are available today and stays up-to-date on new technologies and product offerings. “Top Quality allows no compromise” -Dr. Martin Viessmann.

High Efficiency ECM “Smart” Circulators!

High Efficiency ECM “Smart” circulators!

The pump on the right is a variable speed ECM circulator which varies its speed automatically based on load (how many zones are calling). It varies between 5 and 43 watts while the standard circulator on the left is a steady 80 watts. I always included these new low consumption circulators for the heating zones but now due to the recent price drop and instant rebate, we include them even for the intermittent/constant load zones like the hot water zone you see here. Half the electricity of a standard circulator. Easy payback.

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