Armstrong Pumps  Circulator Pump 115V 1/4 HP 1 Inch NPT/Flange Connection - 116431MF-132 Hot Water

Armstrong Pumps  Circulator Pump 115V 1/4 HP 1 Inch NPT/Flange Connection - 116431MF-132 Hot Water

The Armstrong Pumps 116431MF-132 Circulator Pump is a reliable 1/4 HP pump designed for hot water circulating applications. This pump operates at 115 volts and features a direct drive type. Its cast iron housing ensures durability and longevity. It has a face-to-face dimension of 11.5 inches and an NPT/flange connection style.

The Armstrong Pumps 116431MF-132 Circulator Pump is a reliable 1/4 HP pump designed for hot water circulating applications. This pump operates at 115 volts and features a direct drive type. Its cast iron housing ensures durability and longevity. It has a face-to-face dimension of 11.5 inches and an NPT/flange connection style.

Features

• Standard three-piece design
• Radially-split body for easier maintenance
• Oversized shaft made from special alloy steel

 Specifications

What Our Experts Think

• 1/4 HP Motor – Provides strong and reliable water flow.
• 115V Power Supply – Standard voltage for easy system integration.
• 1" NPT/Flange Connection – Ensures secure and hassle-free installation.
• High-Efficiency Design – Reduces energy consumption while maintaining optimal performance.
• Durable Construction – Built for longevity in demanding hot water applications.

Q&A

Q: What applications is this pump best suited for?
A: Ideal for hydronic heating systems, domestic hot water recirculation, radiant floor heating, and HVAC applications requiring consistent water flow.

Q: What are the benefits of the cast iron body?
A: The cast iron construction enhances durability, making it suitable for closed-loop heating systems while resisting wear over time.

Q: Is this pump maintenance-free?
A: Yes, it features self-lubricating bearings for long-lasting, maintenance-free operation.

Q: Is it energy-efficient?
A: Yes, its design optimizes energy consumption while providing reliable and efficient water circulation.

Maintenance Tips

• Inspect for Leaks – Regularly check seals and connections for water leaks.
• Monitor Noise & Vibration – Unusual sounds may indicate air pockets or wear.
• Purge Air – Bleed the system to prevent airlocks and maintain efficiency.
• Check Power Supply – Ensure 115V input for optimal operation.
• Keep Clean – Remove dust and debris from the pump housing and motor.
• Verify Flow Rate – Ensure proper circulation based on system requirements.
• Schedule Routine Maintenance – Regular checks help extend pump life.