Hot water heaters, whether tankless or standard, have come a long way in the past couple decades. They are far more efficient and can produce as much hot water as needed, on demand. Consider these options on your next job.
Armstrong Fluid Technology Astro 2
The Astro 2 wet-rotor circulator from Armstrong Fluid Technology circulates water or ethylene-glycol solutions in closed hydronic or solar heating systems. It is available in three volute materials for residential, small industrial and commercial applications, and has flange-to-flange and bolt-to-bolt compatibility with all competing models, three field-selectable operating speeds, plug-in terminal strip and e-coating on the inside
