Taco 133N Series 100 Stainless Steel Circulating Pump 3/4HP 115V

Move potable water through commercial systems with Taco 133N Series 100 stainless steel circulating pump for high-flow open-loop service. Its 3/4 HP, 115-volt single-phase motor runs at 1,725 RPM and provides up to 110 GPM with 42 feet of head. The universal flange accepts 3/4-inch through 1-1/2-inch connections. Confirm the selected connection, system curve, and service access before installation.

The Taco 133N uses a stainless steel AISI 304/316 casing, non-metallic polymer impeller, hardened alloy-steel shaft, and two-piece carbon/ceramic seal. Its ODP motor is oil-lubricated and drives the pump through a spring-coupled direct-drive arrangement with Babbitt-lined sleeve bearings. Automatic reset overload protects the motor. The supplied data also lists 125 psi maximum pressure, 240°F maximum temperature, 8-1/2-inch length, and 38 pounds dry weight.

Key Features & Benefits

• 3/4 HP Motor: Supports high-flow potable-water and commercial hot-water circulation.
• 115-Volt Single-Phase Service: Matches common electrical service after field verification.
• 110 GPM Maximum Flow: Provides a stated capacity reference for open-loop selection.
• 42 Feet Maximum Head: Helps compare system resistance and elevation requirements.
• Universal Two-Bolt Flange: Accepts listed 3/4-inch through 1-1/2-inch connection sizes.
• Stainless Steel Casing: Provides the specified construction for potable-water service.
• Automatic Reset Overload: Provides listed motor protection.
• 38-Pound Dry Weight: Assists lifting and support planning.

Why Choose Taco 133N

The Taco 133N combines a stainless steel casing, universal flange sizing, and high-flow performance in a 3/4 HP package. It suits potable-water systems where connection flexibility and single-phase operation matter.

• Build: Stainless steel, polymer, hardened alloy steel, and carbon/ceramic components define the assembly.
• Value: Universal flange sizing can reduce piping changes during replacement.
• Audience: Fits plumbing contractors, hotel maintenance teams, facility engineers, and commercial water technicians.

Applications & Use Cases

Use this pump in potable-water and open-loop systems within the listed 110 GPM and 42-foot limits. Check the selected flange size, 8-1/2-inch length, pipe supports, oiling access, valve clearance, and 40°F to 240°F fluid range. Keep pressure below 125 psi before commissioning.

Warranty & Support

• Warranty Terms: Warranty duration, coverage, exclusions, and registration requirements require confirmation from the authorized seller.
• Service Requirements: Confirm whether authorized service is required for warranty claims.
• Model Verification: Match Taco 133N, 3/4 HP, 115-volt configuration, and SKU 133N to the order.

Verify 115-volt service, select the correct flange size, inspect the seal, check oil condition, purge air, and check for leaks after startup. Compare the operating point with the pump curve. Order the Taco 133N Series 100 stainless steel circulating pump from Mulmotor.com for authentic equipment, applicable warranty protection, and technical pump support.