Description
Weil McLain 511-405-113 Circulator Pump — 1/25HP
The Weil McLain 511-405-113 is a 1/25 horsepower circulator pump engineered for dependable hot water circulation in residential and light commercial hydronic heating systems. Designed to integrate seamlessly with Weil McLain boilers and compatible hydronic systems, this circulator ensures consistent water flow throughout the heating loop for optimal comfort and system efficiency.
Key Features
- 1/25 HP motor for efficient, low-energy hydronic circulation
- Designed for compatibility with Weil McLain boiler systems
- Compact, reliable construction for long service life
- Supports consistent water flow throughout hydronic heating loops
- Suitable for residential and light commercial applications
- Direct OEM replacement for specified Weil McLain systems
Application
This circulator pump is ideal for use in forced hot water (hydronic) heating systems where reliable, low-horsepower water movement is required. It serves as a direct OEM replacement part for Weil McLain boiler installations, helping maintain system performance and efficiency.
Why Choose Weil McLain?
Weil McLain is a trusted name in the hydronic heating industry, known for producing high-quality boilers and system components. The 511-405-113 circulator reflects that commitment to quality, offering HVAC professionals and homeowners a dependable solution for maintaining comfortable, efficient heating.







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