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Pump High Efficiency 1 1/4"

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$851.85 $766.66
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  • Up to 85% Less EnergyECM motor slashes electricity use vs. standard pumps.
  • 5 Operating ModesAuto, Proportional, Constant Pressure, Constant Speed, Night Setback.
  • PWM Control ReadyDual PWM input for heating and solar system integration.
  • SS Flange Union1 1/4" NPT stainless steel connection for durable, low-noise operation.
  • Plug-and-Play InstallDirect connection to boilers or heat pumps, no special adapters needed.

High-Efficiency ECM Pump

Pump High Efficiency 1 1/4"

  1. High Efficiency

    Utilizes an advanced ECM motor to consume up to 85% less electricity than standard circulation pumps.

  2. Multiple Operating Modes

    Features Auto, Proportional Pressure, Constant Pressure, Constant Speed, and Night Setback settings.

  3. Integrated LED Display

    Provides real-time digital feedback on wattage, flow rates, and current RPM for easy monitoring.

  4. Robust Construction

    Includes a 1 1/4" NPT stainless steel flange union for long-lasting, low-noise operation.

  5. External PWM Control

    Supports PWM input signals for seamless integration and safety within boiler and heating systems.

  6. Plug-and-Play Installation

    Designed for easy handling and quick installation with direct connection to boilers or heat pumps.

APOLLO High-Efficiency Pump 1 1/4" product view
APOLLO High-Efficiency Pump 1 1/4" performance chart

Adaptive Performance

Intelligent self-adjusting modes automatically balance flow and pressure according to the specific demands of the heating system.

Thermal Resilience

Engineered to operate reliably across a wide liquid temperature range from -10°C to 110°C (10°F to 230°F) for diverse applications.

Scalable Flow

Allows for doubling pumps in series to effectively double the system flow rate, providing flexibility for larger installations.

Operational Safety

Built-in safety features include hysteresis protection and a failsafe that runs the pump at maximum speed if control cables are damaged.

Technical specifications

High-efficiency ECM circulation pump with 1 1/4" NPT stainless steel connection, engineered for hydronic heating and cooling systems.

Motor Type High-Efficiency ECM Permanent Magnet Motor
Voltage / Frequency 230V, 50/60Hz
Power Range 10W – 220W
Speed Range 1100 – 4400 RPM
Max Flow Rate 44 GPM
Max Operating Pressure 10 bar (145 PSI)
Liquid Temperature Range -10°C to 110°C (10°F to 230°F)
Connection 1 1/4" NPT Stainless Steel flange union

Protection class IP42. Supports PWM input for dual Heating (PWM1) and Solar (PWM2) control modes.

Product documents

No product documents or manuals are currently published here. Contact us if you need technical documentation.

Product details

Pump High Efficiency 1 1/4"

High-efficiency variable-speed circulator pump sized for larger hydronic systems, with multiple control modes and low power draw.

 

Key Benefits

  • Includes 1-1/4" NPT stainless steel flange union
  • Multiple operating modes: auto, proportional pressure, constant pressure, constant speed, night setback
  • ECM efficiency for lower electrical consumption
  • LED display for quick performance checks (watts, flow, RPM)
  • Quiet, robust construction with simple installation

 

Specifications

  • Thread Size: 1-1/4"
  • RPM Range: 1100 to 4400
  • Max Flow: 44 GPM
  • Liquid Temperature: -10°C to 110°C (10°F to 230°F)
  • Maximum Operating Pressure: 10 bar
  • Operating Power: Up to 220W
  • Voltage: 230V, 50/60Hz
  • Capacity: 40 to 100kW
  • Sizing Guide: 1x pump for APOLLO 5-6T / UNI 95-150 / Pellet 95-150 / EKO 95-150 / HARD-BIO 150

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