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THERMAL 300 fresh domestic water heat pump

THERMAL 300 heat pump
The THERMAL 300 fresh heat pump uses the air (room, exhaust or outside air) to heat domestic water. It has a storage capacity of 258 litres and can generate up to 850 litres of hot water in 24 hours.


  • Energy efficiency class domestic hot water A (tapping profile XL)
  • Safety capacitor, calcification of the capacitor impossible
  • Ø 160 mm duct connections for exhaust or external air operation
  • 2-speed fan operation
  • Heating coil for bivalent operation
  • 258 litres glazed steel tank with magnesium anode
  • Polyurethane rigid-foam insulation
  • Maximum operating pressure 10 bar
  • Integrated defrosting with hot gas
  • Use of own solar panel electricity possible

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Parameters of THERMAL 300 heat pump

Heat pump type THERMAL 300
Heating output kW 1,63
Input power kW 0,55
Performance factor (COP) - 2,98
Technical properties of the boiler
Boiler volume l 258
Heat exchanger area m2 1,0
Amount of hot water l/24h 850
Heat loss (A15/W55) kWh/24h 0,7
Operating pressure bar 10
Technical characteristics of the heat pump
Limit air temperature °C -10 to 35
Min./max. airflow m3/h 200/300
Min. volume of the installation space m3 20
Max. water temperature with heat pump °C 62
Power voltage V/Hz 1 x 230/50
Starting current A 10,1
Heating output of electric heater kW 2,0
Protection degree - IP20
Sound power level dB (A) 62,7
Size: diameter x height mm 707 x 1768
Weight kg 137

*Performance parameters measured according to EN 16147: 2011 (A15 / W55)

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Why heat pumps from PZP?

  • We are the largest producer of heat pumps on the Czech market
  • The PZP heat pumps are well known for being reliable
  • We provide 24-hour service for the entire Czech Republic.
  • We deliver complete turnkey projects.
  • Superior full warranty for 5 years.


  • A dominant producer in the field of heat pumps
  • Producer of systems with excellent technical parameters.
  • A holder of numerous awards from international markets
  • A supplier of reliable and economical solutions
  • A producer with own service network covering the entire Czech Republic