Heating Armstrong Pumps Armstrong Pumps | Astro-230Ci 3-Speed Cast Iron Circulator, 0-20 Gpm Flow

The Armstrong Astro 230 Is 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.

Features

• Efficient/Quiet Operation
• Universal Flange To Flange Dimension
• Cast Iron
• Ul And Csa Listed

• No Mechanical Seals To Leak
• No Couplers To Break
• No Lubrication
• Noryl Impeller
• Vent Plug For Initial Purging If Required
• Stainless Steel Shaft
• Ethylene Propylene Gaskets
• Impedance Protected Motor
• 30 Month Warranty