The Taco 110-251F Cast Iron Freedom Flange provides a secure, durable, and easy-to-install connection for hydronic and heating circulator pumps.
Engineered for reliability and performance, the Taco 110-251F Pump Flange is part of the Freedom Flange® series, designed to simplify installation and maintenance of Taco circulator pumps. Constructed from heavy-duty cast iron, this threaded flange provides a strong, leak-free connection to 3/4-inch NPT piping. Its rugged build and precise dimensions ensure dependable performance in hydronic heating, cooling, and plumbing systems.
- Model number 110-251F identifies the Taco Freedom Flange Pump Flange with 3/4-inch NPT pipe connections.
- Designed for Taco circulator pumps and compatible hydronic system components.
- Provides quick installation and removal without disconnecting the entire piping system.
Technical Data & Performance
- Product Type: Pump Flange.
- Brand: Taco.
- Series: Freedom Flange® – designed for easy maintenance and secure fitment.
- Material: Cast Iron – durable, corrosion-resistant construction for long service life in closed-loop systems.
- Connection Type: Threaded.
- Pipe Size: 3/4 inch NPT female threaded connection.
- Dimensions:
- Height: 2-3/4 inches.
- Width: 4-1/8 inches.
- Thickness: 3/8 inch.
- Flange Opening: Sized for Taco circulator pump bolt pattern.
- Bolt Holes: Precision-machined for easy alignment and secure mounting.
- Pressure Rating: 125 psi (862 kPa) maximum working pressure (typical for hydronic systems).
- Temperature Range: Up to 240°F (115°C) suitable for hot water and heating applications.
- Surface Finish: Machined cast iron with rust-inhibiting coating for protection and dimensional accuracy.
- Application: Designed for residential, commercial, and light industrial hydronic systems.
- Function: Provides pump-to-pipe connection while allowing easy access for service or replacement.
- Installation: Threaded female NPT connection allows secure attachment to standard piping; includes bolt holes for pump connection.
- Compatibility: Works with Taco 00 series and similar hydronic circulator pumps.
- Maintenance: Low-maintenance design; inspect periodically for thread integrity and corrosion in open systems.
- Corrosion Resistance: Cast iron body designed for closed hydronic systems to minimize oxygen-induced rusting.
- Weight: Compact and lightweight for easy handling during installation.
- Compliance: Meets ASTM A48 standards for cast iron materials and ANSI B1.20.1 for pipe threads.
- Packaging: Sold as a pair of flanges with bolts and gaskets (depending on model configuration).
- Warranty: Covered by Taco’s Limited Manufacturer’s Warranty ensuring material and performance reliability.
