Cartridge Circulator Pump, 50 gpm, 115 VAC

0012-F4-1 Taco® High Velocity Cartridge Circulator Pump – 2" Flange, Cast Iron Body, 1/8 HP

The Taco® 0012-F4-1 High Velocity Cartridge Circulator is engineered for high-flow, medium-head performance in large residential and light commercial hydronic systems. Designed for reliability and serviceability, the 0012 features Taco’s replaceable cartridge design that incorporates all moving components, allowing the pump to be effectively rebuilt in the field. The self-lubricating, maintenance-free construction eliminates the need for mechanical seals, providing dependable long-term operation in both heating and cooling systems.

Technical Specifications

• Model: 0012-F4-1
• Manufacturer: Taco®
• Series: 0012 High Velocity
• Type: Cartridge Circulator Pump
• Body Material: Cast Iron
• Horsepower: 1/8 HP
• Voltage: 115 VAC
• Phase: Single Phase
• Frequency: 60 Hz
• Current Draw: 1.33 A
• Flow Rate: 50 GPM
• Maximum Head: 14.5 feet
• Maximum Working Pressure: 125 PSI
• Motor Speed: 3250 RPM
• Operating Temperature Range: 40°F to 230°F (4°C to 110°C)
• Port Connection: 2" Flanged Ends
• Pump Design: Maintenance-Free, Wet-Rotor Cartridge Type
• Dimensions: 8-5/8" Length × 8-1/2" Height
• Lubrication: Self-Lubricating System (Water-Lubricated Bearings)
• Construction Options: Available in Cast Iron or Bronze Housing
• Seal Type: No Mechanical Seal – Leak-Proof Wet Rotor Design
• Condensate Protection: ACB Anti-Condensate Baffle with Ambient Airflow

Professional Notes

The Taco® 0012 Series circulator is purpose-built for high-velocity flow in hydronic heating, radiant systems, and chilled water circulation. The ACB anti-condensate baffle provides motor protection in chilled water service by preventing condensate formation around motor windings. The replaceable cartridge contains the impeller, shaft, and bearings, simplifying field maintenance and minimizing downtime. The wet-rotor design eliminates mechanical seals and associated leakage points, while the permanently lubricated bearings ensure silent and efficient operation. Compact and lightweight, the 0012-F4-1 is optimized for installations requiring high flow in limited space configurations.

Summary

The Taco® 0012-F4-1 High Velocity Cartridge Circulator Pump provides durable, maintenance-free performance for large residential and light commercial hydronic systems. Its field-replaceable cartridge design, anti-condensate protection, and self-lubricating wet-rotor operation ensure long service life and reliable flow performance. Engineered for both heating and chilled water applications, the 0012-F4-1 delivers proven operational efficiency and ease of service in demanding professional environments.