Description
The Taco Comfort Solutions 121D is a dependable 1/4 HP bronze-bodied hydronic circulator pump engineered for residential and light commercial heating systems. With a 2.5″ flange connection, this circulator integrates seamlessly into hot water heating loops, radiant floor systems, and boiler distribution applications where consistent flow and long-term reliability are essential.
Bronze Construction Advantage
The all-bronze body of the 121D offers superior corrosion resistance compared to cast iron alternatives, making it an ideal choice for open hydronic systems or installations where water quality and longevity are top priorities. Bronze construction minimizes the risk of internal corrosion and extends the service life of the pump, reducing maintenance costs over time.
Key Features
- 1/4 HP motor for efficient hydronic fluid circulation
- 2.5″ flange connection for straightforward installation and serviceability
- Bronze pump body for enhanced corrosion resistance
- Designed for hot water heating, radiant, and boiler loop applications
- Compact, reliable design from a trusted industry leader
- Suitable for residential and light commercial hydronic systems
Trusted Taco Quality
Taco Comfort Solutions has been a cornerstone of the hydronic heating industry for decades, delivering circulators and system components built to perform in demanding environments. The 121D carries on that tradition, offering installers and building owners a pump they can count on season after season.
Applications
- Residential hot water heating systems
- Radiant floor heating distribution
- Boiler primary and secondary loop circulation
- Light commercial hydronic heating







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