Weil-McLain 383700379 Pipe Inlet

Weil-McLain 383-700-379 Circulator Replacement – Built for Reliable Hydronic Performance

The Weil-McLain 383-700-379 Circulator Replacement is engineered to maintain consistent water circulation in hydronic heating systems. Designed with cast iron construction and tested for durability, this circulator ensures even heat distribution while supporting long service life under continuous operation. It is a direct-fit component for Weil-McLain boilers and is built to meet the expectations of professional contractors handling residential or light commercial installations.

Advantages of the Weil-McLain 383-700-379

This circulator pump is precision-built to deliver consistent flow rates and dependable operation. Contractors benefit from its straightforward replacement compatibility, while system owners gain the assurance of efficient heat delivery and reliable performance.

• Efficient Hydronic Circulation – Maintains consistent water movement to optimize system performance.
• Cast Iron Housing – Provides long-term strength and resistance to system wear.
• Quiet Operation – Engineered to reduce vibration and sound levels in active systems.
• Service-Friendly Design – Replacement process is streamlined for minimal downtime.
• Versatility – Suitable for residential boiler systems and certain light commercial applications.

Technical Specifications

• Model: 383-700-379
• Type: Circulator Pump
• Construction: Cast Iron
• Electrical Rating: 115V
• Flow Capacity: Up to 20 GPM
• Maximum Head: 10 ft
• Certifications: UL Listed, CSA Certified

Installation Considerations

Although designed for direct compatibility with Weil-McLain systems, installation should be performed by a licensed professional. Correct pump orientation, gasket sealing, and torque settings are essential for proper performance and to avoid system leaks. Basic plumbing and electrical tools are required, and compliance with local mechanical codes should always be observed.

Professional Notes

For Contractors: This circulator is engineered for job-site efficiency. Its proven durability reduces the likelihood of callbacks and offers confidence when servicing Weil-McLain heating systems. Time-saving installation features help keep projects on schedule.

For Skilled Installers: While manageable for experienced technicians, accurate placement and sealing are critical. Improper installation may compromise performance. Following manufacturer guidelines ensures the unit operates at full efficiency.

Summary

The Weil-McLain 383-700-379 Circulator Replacement provides the strength, efficiency, and dependability required for modern hydronic heating systems. With rugged cast iron construction, consistent performance, and compatibility with Weil-McLain boilers, this circulator is a trusted solution for maintaining reliable system operation.