Description
The Armstrong Fluid Technology Model 182202-643 is a premium E7.2 Series cast iron circulator pump engineered to maximize performance and efficiency in a wide range of HVAC hydronic applications. Powered by a 1/6 HP, 120V/60Hz single-phase motor running at 3,400 RPM, this pump delivers dependable water movement with a maximum flow capacity of 140 gallons per minute — keeping your heating and cooling systems operating at peak efficiency.
Constructed from heavy-duty cast iron, the 182202-643 is built to withstand the rigors of continuous operation, handling fluid temperatures up to 230°F and system pressures up to 150 PSI. A durable bellows-style mechanical seal with a silicon carbide wear surface ensures an extended service life and leak-free performance, reducing maintenance demands and total cost of ownership.
Optimized impeller geometry and advanced hydraulic design work together to minimize energy consumption without sacrificing output — a critical advantage in today’s energy-conscious building environments. Its compact, versatile footprint simplifies installation in tight mechanical rooms or complex piping configurations, while multiple connection size options (3/4″, 1″, 1-1/4″, and 1-1/2″) provide flexible integration into virtually any system layout.
Ideal for large residential and light commercial buildings, the Armstrong E7.2 is the trusted choice for hot water heating, geothermal systems, radiant panel heating, and snow melt applications.
Key Features:
- 1/6 HP single-phase motor | 120V / 60Hz | 3,400 RPM
- Maximum flow rate: 140 GPM
- Maximum operating temperature: 230°F
- Maximum working pressure: 150 PSI
- Multiple connection sizes: 3/4″, 1″, 1-1/4″, 1-1/2″
- Bellows-style mechanical seal with silicon carbide wear surface
- Energy-optimized impeller and hydraulic design
- Robust cast iron construction for long-term durability
- Compact design for easy installation in space-constrained environment
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