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Pump High Efficiency 1 1/4"
$788.75
Shipping
$110
Free
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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.
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
Customer Success Stories
Heats my home nicely and economically. The cold weather does not seem to affect the pump. Overall I'm very happy with the system. The techs have been very helpful whenever I have had questions regarding installation, etc.
Reliable Heating in Cold Weather
Economical performance that isn't affected by low temperatures.
Reliable Heating in Cold Weather
High-Efficiency ECM Pump
Pump High Efficiency 1 1/4"
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High Efficiency
Utilizes an advanced ECM motor to consume up to 85% less electricity than standard circulation pumps.
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Multiple Operating Modes
Features Auto, Proportional Pressure, Constant Pressure, Constant Speed, and Night Setback settings.
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Integrated LED Display
Provides real-time digital feedback on wattage, flow rates, and current RPM for easy monitoring.
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Robust Construction
Includes a 1 1/4" NPT stainless steel flange union for long-lasting, low-noise operation.
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External PWM Control
Supports PWM input signals for seamless integration and safety within boiler and heating systems.
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Plug-and-Play Installation
Designed for easy handling and quick installation with direct connection to boilers or heat pumps.
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
Installation and operation manual for the SPM-12-E High Efficiency Pump.
SPM-12-E High Efficiency Pump Manual
Full installation, operation, and maintenance manual for the High Efficiency ECM Pump.
