Taco 120-13 Series 100 Cast Iron Pump 1/6 HP

Residential hydronic heating uses Taco 120-13 for closed-loop circulation through boilers, radiant systems, and small heating zones. Its 1/6 HP motor operates at 1725 RPM, delivers up to 55 GPM against 14 feet of head, and connects through a 2-bolt universal flange. Fill the system, purge trapped air, and verify automatic overload operation before startup.

The Taco Series 120 120-13 uses 115 V single-phase power, a 2.10 amp full-load rating, and direct drive with spring coupling. Its ASTM A48 Class 30 cast iron casing, non-metallic polymer impeller, hardened alloy steel shaft, and carbon-ceramic seal support closed-loop hydronic operation. The pump is rated for 125 PSI, 40°F to 240°F fluid, and uses an 8-1/2-inch flange-to-flange length with a 21-pound dry weight.

Key Features of Taco 120-13

- 1/6 HP motor supports residential boiler and closed-loop hydronic heating systems.
- 115 V single-phase operation suits compatible residential heating electrical circuits.
- 2.10 amp full-load rating assists branch-circuit and overload protection planning.
- 1725 RPM operation supports direct-drive hydronic circulation through heating zones.
- 55 GPM maximum flow handles larger residential and light-commercial heating loops.
- 14-foot maximum head supports low-head boiler and radiant-heating distribution systems.
- 2-bolt universal flange accepts compatible 3/4-inch through 1-1/2-inch connection kits.
- Automatic-reset overload protection helps guard the motor against excessive operating heat.
- 125 PSI rating, 240°F maximum fluid temperature, 8-1/2-inch length, and 21-pound weight support replacement planning.

Why Choose Taco 120-13

This Taco cast iron circulator combines defined hydraulic performance, universal flange compatibility, and automatic overload protection.

- Build: Cast iron, hardened alloy steel, polymer, and carbon-ceramic components support closed-loop heating service.
- Value: Universal flange compatibility and documented replacement dimensions can reduce piping changes and installation labor.
- Audience: Residential HVAC contractors, boiler technicians, hydronic installers, property maintenance teams, and radiant-heating professionals can specify this model.

Applications & Use Cases

Use the Taco 120-13 for residential boiler circulation, radiant heating, closed-loop hydronics, and light-commercial heating zones. Its 8-1/2-inch flange-to-flange length, 21-pound dry weight, and universal flange design help plan pipe spacing, valve access, wiring, motor clearance, and replacement service.

Warranty & Support

- Warranty: A model-specific factory warranty term for the Taco 120 Series 120-13 was not verified and requires confirmation through Taco or the authorized seller.
- Confirm 115 V wiring, purge air, inspect the carbon-ceramic seal, verify overload protection, and check flow direction during commissioning.

Clean the system strainer, monitor the cast iron casing for leakage, and inspect sleeve-bearing operation during scheduled maintenance. Purchase the Taco 120-13 cast iron hydronic circulator pump from Mulmotor.com for authentic equipment, applicable factory warranty protection, and pump support.