Armstrong Pumps Dependable Armstrong circulating pumps are engineered for dependability and serviceability. They feature a convenient radially split body that can be left in-line while servicing. Armstrong circulators are designed for efficient, trouble-free use in residential and commercial hot water heating systems, featuring quiet-operating, vibration-free motors that meet NEMA specifications. All Armstrong circulators (except Astro series) feature ARMSEAL, leak-proof construction.
_thumb.gif)
