MBtek
Pump High Efficiency 1"

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Circulator Pump — 1" (SPM-A Series)

Pump High Efficiency 1"

The smallest and most compact circulator in the collection, built around an ECM permanent-magnet motor with external PWM control and five selectable operating modes (Auto, Proportional Pressure, Constant Pressure, Constant Speed, Night Setback).

$449
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Product details

  • The smallest, most compact model in…
  • ECM permanent-magnet motor with external PWM control
  • 5 operating modes
  • Up to 40kW single-pump or 95kW…

Pump High Efficiency 1"

High-efficiency variable-speed circulator pump for boiler or heat pump systems, offering multiple control modes with low power consumption.

Key Benefits

  • Includes 1" NPT stainless steel flange union
  • Multiple operating modes: auto, proportional pressure, constant pressure, constant speed, night setback
  • ECM motor uses up to 85% less electricity
  • LED display shows watts, flow, and RPM
  • Quiet, compact design with plug-and-play installation
  • Option to run two pumps in series to increase flow

Specifications

  • Thread Size: 1" NPT
  • Max Flow: 44 GPM
  • Liquid Temperature: -20 to 230°F
  • System Pressure: 150 PSI
  • Power Consumption: 4 to 65W
  • Voltage: 230V, 60Hz
  • Capacity: 0 to 180K BTU
  • Sizing Guide: 1x pump for APOLLO 2-3.5T / UNI 15-35 / Pellet 20-50 / EKO 15-35 / Phoenix 18-35
Series
SPM-A (incl. SPM25-6-130A)
Connection
1" (25mm) inlet/outlet
Max flow
44 GPM
Max head
6m (~20 ft)
Power
230V 50/60Hz, 4–65W, EEI ≤ 0.20
Max system pressure
10 bar
Liquid temperature range
+2°C to +110°C
Ambient temperature range
0°C to +40°C
Motor
ECM permanent-magnet, external PWM control
Operating modes
Auto, Proportional Pressure, Constant Pressure, Constant Speed, Night Setback
Protection
Locked-rotor, over/undervoltage
Series capacity
Up to 40kW single pump, 95kW in series
Weight (net/gross)
Not published

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