ARMSTRONG'S ASTRO CIRCULATOR... a hydronic circulator that conserves energy and eliminates maintenance. Armstrong’s Astro Circulator is intended for circulating water or ethylene glycol solutions in closed hydronic or solar heating systems. It is designed with no mechanical seals or couplers to replace, and no lubrication is required.
The Astro series is available in two models for residential, small industrial and commercial installations. Choose from cast iron or bronze models for solar and domestic applications.
Applications:
• Hydronic Heating
• Chilled Water
• Domestic Hot Water Recirculation
• Heat Recovery
• Solar Heating
Features:
• Replacement Cartridge Design
• Efficient/quiet Operation
• Universal Flange to Flange Dimension
• Cast Iron or all Bronze Construction
• CSA/UL Listed Circulator
• Maximum Working Temperature: 230˚F (110˚C)
• Maximum Working Pressure: 140 PSI
• Same face to face dimension as Armstrong's S-25 and other popular boosters
• All dimensions in inches
• Astro Circulators accept companion flanges of 3/4", 1", 1 1/4" and 1 1/2"
