Description
The Armstrong Fluid Technology E21.2 Series circulator pump (Model 182212-665) is purpose-built for dependable, energy-efficient fluid circulation in both residential and light commercial applications. Constructed from corrosion-resistant cast iron, this pump is engineered to deliver long-term reliability across a wide range of hydronic systems — including heating, cooling, and geothermal installations.
At its core, a high-efficiency ECM (Electronically Commutated Motor) drives performance while significantly reducing energy consumption compared to traditional circulator motors. Its compact footprint makes it an ideal solution for space-constrained mechanical rooms and retrofit installations alike.
Product Highlights
- High-efficiency ECM motor reduces energy consumption without sacrificing performance
- Corrosion-resistant cast iron construction for lasting durability in demanding environments
- Maintenance-free permanent lubrication system eliminates routine servicing
- Integrated bellows-style mechanical seal with silicon carbide surface for superior leak protection
- Compact design ideal for space-constrained or retrofit installations
- Suitable for heating, cooling, and geothermal system applications
Specifications
- Brand: Armstrong Fluid Technology
- Model / MPN: 182212-665
- Series: E21.2
- Motor Voltage: 120V
- Motor Horsepower: 2/5 HP
- Motor Phase: Single Phase
- Maximum Operating Pressure: 150 PSI
- Maximum Operating Temperature: 230°F







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