• Energy efficiency class A
• up to 80% electricity savings compared to uncontrolled circulating pumps
• Highest efficiency thanks to ECM technology
• 3 x higher starting torque than conventional circulating pumps
• Quick electrical connection with spring clips
• High efficiency pump especially for one- and two-family houses, as well as for two to six-family houses
• Energy efficiency class "A", power savings up to   80 %
• Thermal insulation as standard

• 1~230V, 50Hz
• Rp 1 and Rp 1 1/4
• PN 10
• +15 °C to +110 °C
• IP 44

Permissible pumped media

Heating water according to VDI 2035

Water/glycol mixtures (max. 1:1;

mixtures with more than 20 % glycol content require rechecking of the pumping data)

Performance

Stepless output control

Max. operating pressure 10 bar

Permitted temperature range +15 °C to +110 °C

at max. ambient temperature +25 °C

Ambient temperature

+40 °C max. permitted at max. fluid temperature +95 °C

Motor (ECM technology)

Mains connection 1~230 V, 50 Hz

Protection class IP 44

Insulation class F

Residual-current-operated protective device (RCD)

The operation at residual-current-operated protective devices according to DIN EN 61008-1 is permitted without that the residual-current-operated protective device is affected (DIN VDE 0160

• EC motor
• Control mode ?p-v; for optimum adaption to demand
• Automatic setback operation for even more savings potential
• Red button technology for easiest operation
• Blocking-current-proof motor motor protection not required
• Anti-blocking function for safe operation
• Cable feed is possible from both sides which makes installation easy
• Quick connection with spring clips for easy electrical connection
• Thermal insulation shell

Red button technology

• Pump housing: Grey cast iron
• Shaft: Stainless steel
• Bearing: Metal-impregnated carbon
• Impeller: Plastic
• Heat insulation: Polypropylene

• Pump with thermal insulation
• Installation and operating instructions
• 2 seals