Taco 1635E3E1 1600 In-Line Centrifugal Pump 1/2HP 3PH
To run secondary loops efficiently, the three-phase Taco 1635E3E1 centrifugal pump circulates 115 GPM against 28 feet of head using a 1/2 HP motor.
- 115 GPM flow moves water fast
- 28 feet head overcomes system drag
- ODP design ventilates heat during cycles
Description
Move industrial HVAC water with Taco 1635E3E1 1/2 HP three-phase in-line centrifugal pump for secondary-loop circulation. Its 208–230/460-volt motor draws 2.0A or 1.0A and provides up to 115 GPM with 28 feet of head. The trimmed bronze impeller, cast-iron body, and 50-pound dry weight support replacement planning. Confirm phase rotation, overload protection, and system curve before installation.
The 1635E3E1 uses a cast-iron casing with a trimmed cast-bronze impeller and three-phase motor. Its 2-inch connection, 115 GPM maximum flow, 28 feet of maximum head, and 30-foot shut-off head are supplied for HVAC secondary-loop selection. The supplied data does not state RPM, seal, pressure, temperature, flange-to-flange length, or complete dimensions, so verify the current submittal.
Key Features & Benefits
- 1/2 HP Three-Phase Motor: Supports HVAC secondary-loop circulation with verified commercial power.
- 208–230/460-Volt Service: Requires field voltage and phase-rotation checks.
- 115 GPM Maximum Flow: Provides a stated capacity reference for system selection.
- 28 Feet Maximum Head: Helps compare piping resistance and elevation.
- 2-Inch Connection: Supports replacement planning when the existing piping matches.
- 2.0A/1.0A Current: Assists electrical circuit review.
- 50-Pound Dry Weight: Helps plan handling and pipe support.
Why Choose Taco 1635E3E1 Three-Phase
The Taco 1635E3E1 provides high-flow secondary-loop circulation in a compact 1/2 HP three-phase package. Its supplied electrical and hydraulic data help contractors screen the pump before shutdown.
- Build: Cast iron, trimmed cast bronze, and three-phase construction define the supplied assembly.
- Value: Published current and performance data support more accurate replacement planning.
- Audience: Fits HVAC contractors, facility engineers, boiler technicians, and commercial maintenance teams.
Applications & Use Cases
Use this pump in HVAC secondary loops within the supplied 115 GPM and 28-foot limits. Check the 2-inch connection, pipe supports, valve clearance, motor access, phase rotation, overload protection, and 50-pound handling requirement. Confirm pressure, temperature, seal, and dimensional data before purchase.
Warranty & Support
- Warranty Terms: Taco warranty duration and coverage for this stainless or cast-iron 1600 Series configuration require confirmation under current terms.
- Coverage Review: Confirm date-code requirements, seal exclusions, electrical conditions, and claim procedures before purchase.
- Model Verification: Match Taco 1635E3E1, 1/2 HP, three-phase configuration, and SKU 1635E3E1 to the seller’s order.
Verify phase, voltage, and overload protection before wiring. Align the piping, purge air, inspect strainers, and check for leaks during commissioning. Select from the actual system curve. Purchase the Taco 1635E3E1 three-phase in-line centrifugal pump at Mulmotor.com for genuine equipment, applicable warranty coverage, and pump support.
Taco 1635E3E1 Cast Iron 1/2HP 3PH Pump Specs
| Technical Parameter | Official Specification |
|---|---|
| Model Number/SKU | 1635E3E1 (Cast Iron) |
| Horsepower (HP) | 1/2 HP |
| Voltage (V) & Phase (PH) | 208-230/460V / 3 PH / 60Hz |
| Amperage (FLA) | 2.0A / 1.0A |
| Body Material (Casing) | Cast Iron (ASTM A48) |
| Impeller Material | Cast Bronze (Trimmed) |
| Max Flow Rate (GPM) | 115 GPM |
| Max Head (Feet) | 28 Feet |
| Shut-off Head | 30 Feet |
| Dry Weight (lbs/kg) | 50 lbs (22.7 kg) |
| Application Suitability | HVAC Secondary Loop Circulation |












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