MBtek
Pump High Efficiency 1 1/4"

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Circulator Pump — 1-1/4"

Pump High Efficiency 1 1/4"

Steps up from the 1" model in connection size while keeping the same high-efficiency ECM permanent-magnet motor platform and the same five operating modes.

Power
120 VAC
Material
Stainless
$799
$55930% OFF

Shipping$112Free

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Product details

  • High-Efficiency ECM permanent-magnet motor, same 5…
  • Dual PWM control (Heating PWM1 +…
  • 1-1/4" NPT stainless steel flange union
  • Can double pumps in series for…

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: -20°F to 230°F
  • Maximum Operating Pressure: 150 PSI
  • Operating Power: Up to 220W
  • Voltage: 230V, 60Hz
  • Capacity: 136 to 342K BTU
  • Sizing Guide: 1x pump for APOLLO 5-6T / UNI 95-150 / Pellet 95-150 / EKO 95-150 / HARD-BIO 150
Motor
High-Efficiency ECM Permanent Magnet
Power
230V 50/60Hz, 10–220W
Speed range
1100–4400 RPM
Max flow
44 GPM
Max 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
Enclosure rating
IP42
Control
Dual PWM (Heating PWM1 + Solar PWM2)
Operating modes
Same 5 modes as the 1" model (Auto, Proportional Pressure, Constant Pressure, Constant Speed, Night Setback)
Series capability
Can double pumps in series for double flow
Protection
Hysteresis protection, failsafe max-speed-on-cable-damage
Max head
Not published
Weight (net/gross)
Not published

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