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Armstrong Astro 20SSU Water Circulating Pump (110223-309)

Armstrong Astro 20SSU Water Circulating Pump (110223-309)

$251.61 & Eligible for Free Shipping
List Price: $352.26
You Save: $100.65 (29%)
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Armstrong Astro 20SSU Water Circulating Pump (110223-309)

The Armstrong Astro 20SS is a hydraulic circulator that conserves energy and eliminates maintenance. Armstrong's Astro Circulator is intended for circulating water or ethylene glycol solutions in closed 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.

Armstrong Astro 20SSU Water Circulating Pump (110223-309) Features:
• Union Connection: 1 1/4" NPSM
• Efficient/Quiet Operation
• Universal Flange to Flange Dimension
• Cast Iron or All Bronze Construction
• 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
• Compliant with No Lead Act of 2014

Armstrong Astro 20SSU Water Circulating Pump (110223-309) Specifications:
• Flow Range: 0 to 20 GPM (0 to 1.26 L/s)
• Head Range: 0 to 32 ft. (0 to 9.8 m)
• Motor: 115 V, single phase, 60 Hz
• Maximum Fluid Temperature: 230 degrees F (110 degrees C)
• Maximum Working Pressure: 150 psi (1000 kPa)
• Pump Body: Cast Iron (closed systems), Bronze (open systems)
• Impeller: Polypropylene (Glass Filled)
• Shaft: Stainless Steel
• Bearings: Graphite
• Gasket Material: EPDM
Stainless Steel

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