ARMflo E30 and E33 Circulators are based on a new 2/5 hp, fan-cooled, 120 Vac motor, and are available in either cast iron or bronze construction. These new circulators provide a very flat performance curve, ideal for multi-zone hydronic heating and chiller applications to maintain stable system head as various zones are opened and closed. They are suitable for custom residential or light commercial boilers.
