Most of these types of systems use water, although some can use other liquids. Radiators, baseboard heating and even some radiant floor heating systems tend to be hydronic / closed-loop systems. Typically the base of a hydronic heating system is a heating system operated with a boiler. Please not this pump is obsolete and has been replace by the 110223B-145 Armstrong.A hydronic heating system is a closed-loop system, meaning the water stays in the piping. The Armstrong Astro 2 circulators are designed for quiet operation and zero maintenance. Please See Replacement Here: 110223-310 Armstrong 225SSU Circulating Pump With Union Connection. Lead Time: All prices offered are based on standard factory lead times (or) as stated within quotation.Įxpedited shipments may be available at an additional charge.Ĭontact your Sales Engineer for the ETA of any specific equipment on any order or quotation. You must contact the shipper directly and file a claim with the shipping company. Once items have shipped and left the warehouse National Pump Supply is not responsible for any damage caused during the shipping process. Terms: prices are quoted are each (unless stated otherwise) and FOB point of origin with no freight allowed freight ships via common ground carrier, and inside continental US Only - any special shipping requirements to be responsibility of purchaser. Owner training assistance, as outlined in any equipment specifications the responsible of the commissioning agent.ĪLTERNATES are offered for consideration and will always be subject to the engineers and owners approval.Įxcludes any seismic calculations or supports, coatings other than factory standard.
Warranty requires install, start-up and operation as per the manufacturers IOM.Ĭommissioning: By Others: These services, if a project requires start up, they are responsibility of contractor or commissioning agent. The Astro 2 line is available in three volute materials for residential, small industrial, and commercial applications. In combination with cast iron volutes the Astro 2 line is intended to circulate water or ethylene-glycol solutions in closed hydronic or solar heating systems.
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