For DC applications

Rugged Durability: Rated for over 100

if the pressure difference falls below this value

It is the direct replacement for the legacy RS2210 and Aprilaire 8448 models

Armstrong Fluid Technology 110223-307 Pump Refrigerant For DC applicationsThe Armstrong Fluid Technology 110223 307 is a high performance Astro 250CI model, serving as the 115Vac direct replacement for 110123 007. Engineered for closed hydronic heating and cooling systems, this three speed circulator pump features a robust cast iron volute with an internal e coating for superior corrosion resistance and long term reliability. Its maintenance free design eliminates the need for mechanical seals or lubrication, utilizing