Armstrong Pumps 116435MF-132 H-52-1 BF Maintenance Free Cast Iron In-Line Pump 1/3 H - 116435MF-132
The Armstrong Pumps H-52-1 BF Maintenance Free Cast Iron In-Line Pump with MPN 116435MF-132 is designed for hydronic heating systems. This pump is not suitable for potable water systems. The 1/3 HP bronze fitted circulator pump works well for hydronic heating and cooling, domestic water systems, multi-stage zoning, and various industrial applications. It features a durable three-piece design which includes a radially-split body that allows for in-line servicing without disconnecting pipes.
Features
- Standard three-piece design
- Radially-split body for easy servicing
- Centrifugal impeller for efficient flow
Specifications
| MPN |
116435MF-132 |
| Power |
1/3 HP |
| Voltage |
115V |
| Phase |
1 |
| Hertz |
60 |
| Max Head (Ft) |
26 |
| Max Flow (GPM) |
52 |
| Fluid Temperature Range |
225°F |
| Material |
Cast Iron |
| Impeller Size |
5-1/4 inches |
| Flange Size |
1-1/4 inches |
| Shipping Dimensions |
Length: 21.5", Width: 15", Height: 10.5" |
| Weight |
46.5 pounds |
What Our Experts Think
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1/3 HP Motor – Delivers efficient and reliable water circulation.
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Maintenance-Free Design – No lubrication required, reducing upkeep and downtime.
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Durable Cast Iron Construction – Corrosion-resistant and built for long-term use.
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In-Line Configuration – Simplifies installation and integration into existing systems.
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Optimized Performance – Ensures smooth operation for HVAC and hydronic heating systems.
Q&A
Q: What is the flow rate and head range?
A: Designed for HVAC and hydronic heating applications, it delivers efficient water circulation with a balanced head range.
Q: Is this pump truly maintenance-free?
A: Yes, it requires no lubrication or seal replacements, making it ideal for continuous operation.
Q: What applications is it best suited for?
A: Ideal for commercial and residential HVAC systems, hydronic heating, and cooling applications.
Q: What is included with the pump?
A: The pump comes with a factory-installed motor and integrated mounting hardware for easy installation.
Maintenance Tips
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Monitor for Noise & Vibration – Check for unusual sounds that indicate potential issues.
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Inspect Pipe Connections – Ensure fittings are secure and leak-free.
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Maintain Proper Ventilation – Prevent overheating by keeping the pump area clear.
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Check Motor Temperature – Avoid excessive heat buildup for long-term efficiency.
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Ensure Correct Voltage – Verify power supply matches manufacturer specifications.
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Keep Pump Clean – Remove dust and debris to maintain peak performance.
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Schedule Regular Inspections – Have a professional check internal components periodically.
