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High Efficiency Circulating Pump for Solar Systems
High Efficiency Circulating Pump for Solar Systems

High Efficiency Circulating Pump for Solar Systems

Price Ex Vat: 133.45
Product Description:

High Efficiency Circulating Pump for Solar Systems


Solar Thermal Systems.

Product Features and Benefits

  • DN25, 130mm Long
  • Very high degrees of efficiency due to permanent magnet motor
  • Compact design: the smallest available on the market
  • A LED provides information about the operation status of the circulator
  • Electronic controls allow to set advanced features and load adjustment capacity Δp-c (constant differential pressure) and Δp-v (proportional differential pressure)
  • Min-Max mode: allows to set the exact working point across the range
  • The pump housing is cataphoresis treated (KTL) and resistant to corrosion


• Power supply: 1x230 V ( ±10%); Frequency: 50/60 Hz
• Electrical connection: Pull resistant cable clamp PG11
• Energy Efficiency Index (EEI)*: ≤ 0,20 – Part 2
• Input power (P1): Min 3W, Max 42W
• Input current (I1): Min 0.03A, Max 0.33A
• Insulation class: H
• Protection class: IP44
• Appliance class: II


• Threaded pipe connection: G 1, G 1½
• Ambient temperature:  0°C to +40°C
• Fluid temperature**:  +2°C to +110°C
• Temperature range at max. ambient temperature:
of 30°C = +30°C to +110°C
of 35°C = +35°C to +90°C
of 40°C = +40°C to +70°C
• Max. operating pressure:  Max 1.0 MPa - 10 bar
• Minimum pressure on the intake opening:
0.03 MPa (0.3 bar) at 50°C
0.10 MPa (1.0 bar) at 95°C
0.15 MPa (1.5 bar) at 110°C
• Maximum relative humidity: ≤ 95%
• Sound pressure level:  < 43 dB(A)
• Low Voltage directive (2006/95/CE): Standard used: EN 62233, EN 60335-1 and EN 60335-2-51
• EMC Directive (2004/108/CE): Standard used: EN 61000-3-2 and EN 61000-3-3, EN 55014-1 and EN 55014-2
• Ecodesign directive (2009/125/CE): Standard used: EN 16297-1 and EN 16297-2


• Water for heating according to VDI 2035
• Mixtures of water and glycol with glycol percentages not greater than 30%
• Clean liquids, not aggressive and not explosive, not containing solid particles, fibers or mineral oils.


Turn the regulator to select the desired operating curve
• nr. 1 proportional-pressure curve (P)
• min-max mode – Fixed speed


• CE marking
• VDE GS marking

Please allow 2/3 weeks for delivery of product, shipping costs determined by location. 

Additional products from this range are available to suit all installations, for further information contact us now


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