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    Armstrong Circulator

    Astro 230CI 3-Speed Armstrong Circulator

    Astro 250CI  3-Speed Armstrong Circulator

    Astro-280CI 3-Speed Armstrong Circulator

    The Armstrong Astro 2 circulators are designed for quiet operation and zero maintenance. In combination with cast iron volutes the Astro 2 line is intended to circulate water or ethylene-glycol solutions in closed hydronic or solar heating systems. The Astro 2 line is available in three volute materials for residential, small industrial, and commercial applications.

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