Variable Speed Delta-T circulators by Taco combine a microprocessor-based variable speed differential controller with the reliability and convenience of Taco’s 00® cartridge circulators. Simply dial in the design delta-T of the system or zone (from 5 - 50°F). The circulator automatically adjusts its performance to match the system’s ideal Btu/hr. output, while reducing fuel consumption 4-5% and eliminating velocity noise.
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